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BoP Lab / Classes / FE2

FE2 vs FP vs FV vs FF pace at every track

Lap times across years say as much about the weather as the class. % of FE2 is each class's best lap as a share of FE2's on the same day, so the conditions drop out: 100% is level, less is quicker, and a move in it is the class getting faster or slower against the field.

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
ASB-SpecEPFAFCFE2×vsFF×vsFP×vsFV×FXGT1GT2GTXHPPP2SMSMXSRF3STLSTUT1T2T3T4Show 51 inactive classes
Series
Reference · what % is measured against
Tracks · untick to narrow

Closest to the field: FE2 100.0% of FE2 Flinn Lazier, Sonoma Raceway Runoffs 2018 race · FP 104.2% of FE2 Mason Workman, Virginia International Raceway Runoffs 2022 race · FV 104.6% of FE2 Andrew Whitston, Virginia International Raceway Runoffs 2022 race · FF 104.8% of FE2 Jonathan Kotyk, Virginia International Raceway Runoffs 2022 race

1:402:002:202:4018 rule changes between Runoffs 2018 and Runoffs 201918 ▾31 rule changes between Runoffs 2019 and Runoffs 202031 ▾24 rule changes between Runoffs 2020 and Runoffs 202124 ▾29 rule changes between Runoffs 2021 and Runoffs 202229 ▾7 rule changes between Runoffs 2022 and Runoffs 20237 ▾25 rule changes between Runoffs 2023 and Runoffs 202425 ▾22 rule changes between Runoffs 2024 and Runoffs 202522 ▾37 rule changes between Runoffs 2025 and Runoffs 202637 ▾FE2 race best at Runoffs 2018: 1:35.563 (Flinn Lazier)FE2 race best at Runoffs 2019: 1:52.154 (Liam Snyder)FE2 race best at Runoffs 2020: 2:13.271 (Owen McAllister)FE2 race best at Runoffs 2021: 1:36.655 (Max Grau)FE2 race best at Runoffs 2022: 2:12.045 (Jason Conzo)FE2 race best at Runoffs 2023: 1:51.098 (Franklin Futrelle)FE2 race best at Runoffs 2024: 2:12.748 (Porter Aiken)FE2 race best at Runoffs 2025: 2:13.339 (Franklin Futrelle)FE2 race best at Runoffs 2026: 2:11.881 (Franklin Futrelle)FE2 qualifying best at Runoffs 2018: 1:35.040 (Flinn Lazier)FE2 qualifying best at Runoffs 2019: 1:51.062 (Liam Snyder)FE2 qualifying best at Runoffs 2020: 2:12.806 (Scott Rettich)FE2 qualifying best at Runoffs 2021: 1:36.395 (Max Grau)FE2 qualifying best at Runoffs 2022: 1:50.853 (Charles Russell Turner)FE2 qualifying best at Runoffs 2023: 1:50.665 (Charles Russell Turner)FE2 qualifying best at Runoffs 2024: 2:11.506 (Porter Aiken)FE2 qualifying best at Runoffs 2025: 2:12.475 (Franklin Futrelle)FE2 qualifying best at Runoffs 2026: 2:12.326 (Franklin Futrelle)FP race best at Runoffs 2015: 2:12.419 (Kevin Ruck)FP race best at Runoffs 2016: 1:36.399 (John Walker)FP race best at Runoffs 2017: 1:53.007 (Eric Prill)FP race best at Runoffs 2018: 1:48.481 (Joe Huffaker)FP race best at Runoffs 2019: 2:08.076 (Eric Prill)FP race best at Runoffs 2020: 2:34.033 (Kevin Ruck)FP race best at Runoffs 2021: 1:59.933 (Cliff Ira)FP race best at Runoffs 2022: 2:17.641 (Mason Workman)FP race best at Runoffs 2023: 2:07.787 (Cliff Ira)FP race best at Runoffs 2024: 2:33.246 (Kevin Ruck)FP race best at Runoffs 2025: 2:34.271 (Chris Bovis)FP race best at Runoffs 2026: 2:33.240 (David Strittmatter)FP qualifying best at Runoffs 2015: 2:11.009 (Kevin Ruck)FP qualifying best at Runoffs 2016: 1:35.938 (John Walker)FP qualifying best at Runoffs 2017: 1:52.091 (Eric Prill)FP qualifying best at Runoffs 2018: 1:47.588 (Joe Huffaker)FP qualifying best at Runoffs 2019: 2:07.436 (Eric Prill)FP qualifying best at Runoffs 2020: 2:31.414 (Ethan Shippert)FP qualifying best at Runoffs 2021: 1:51.082 (Craig Chima)FP qualifying best at Runoffs 2022: 2:06.217 (Eric Prill)FP qualifying best at Runoffs 2023: 2:08.248 (Cliff Ira)FP qualifying best at Runoffs 2024: 2:32.327 (Cliff Ira)FP qualifying best at Runoffs 2025: 2:32.395 (David Strittmatter)FP qualifying best at Runoffs 2026: 2:33.275 (Stephen Simonds)FV race best at Runoffs 2015: 2:21.142 (Andrew Whitston)FV race best at Runoffs 2016: 1:38.066 (Flinn Lazier)FV race best at Runoffs 2017: 1:55.923 (Michael Varacins)FV race best at Runoffs 2018: 1:53.639 (Alex Scaler)FV race best at Runoffs 2019: 2:18.289 (Zachary Whitston)FV race best at Runoffs 2020: 2:45.816 (Alex Scaler)FV race best at Runoffs 2021: 1:57.234 (Alex Scaler)FV race best at Runoffs 2022: 2:18.093 (Andrew Whitston)FV race best at Runoffs 2023: 2:16.611 (Andrew Abbott)FV race best at Runoffs 2024: 2:44.834 (Andrew Abbott)FV race best at Runoffs 2025: 2:46.736 (Zachary Whitston)FV race best at Runoffs 2026: 2:45.272 (Brian Farnham)FV qualifying best at Runoffs 2015: 2:21.167 (Roger Siebenaler)FV qualifying best at Runoffs 2016: 1:37.942 (Alex Scaler)FV qualifying best at Runoffs 2017: 1:55.759 (Michael Varacins)FV qualifying best at Runoffs 2018: 1:52.637 (Skip Streets)FV qualifying best at Runoffs 2019: 2:15.712 (Andrew Whitston)FV qualifying best at Runoffs 2020: 2:43.994 (Hunter Phelps-Barron)FV qualifying best at Runoffs 2021: 1:57.479 (Andrew Whitston)FV qualifying best at Runoffs 2022: 2:15.116 (Brian Farnham)FV qualifying best at Runoffs 2023: 2:15.639 (Andrew Whitston)FV qualifying best at Runoffs 2024: 2:42.643 (Andrew Whitston)FV qualifying best at Runoffs 2025: 2:44.101 (Andrew Abbott)FV qualifying best at Runoffs 2026: 2:46.536 (Zachary Whitston)FF race best at Runoffs 2015: 2:03.383 (Rick Payne)FF race best at Runoffs 2016: 1:30.133 (Neil Verhagen)FF race best at Runoffs 2017: 1:44.524 (Jonathon Kotyk)FF race best at Runoffs 2018: 1:42.049 (Jonathon Kotyk)FF race best at Runoffs 2019: 2:20.474 (Jonathan Kotyk)FF race best at Runoffs 2020: 2:24.268 (Jeffrey Bartz)FF race best at Runoffs 2021: 1:55.676 (Jonathan Kotyk)FF race best at Runoffs 2022: 2:18.358 (Jonathan Kotyk)FF race best at Runoffs 2023: 2:00.583 (Jonathan Kotyk)FF race best at Runoffs 2024: 2:22.057 (Sebastian Mateo Naranjo)FF race best at Runoffs 2025: 2:25.541 (Calvin Kautz)FF race best at Runoffs 2026: 2:23.686 (Nathan Down)FF qualifying best at Runoffs 2015: 2:02.489 (Tim Kautz)FF qualifying best at Runoffs 2016: 1:29.213 (Neil Verhagen)FF qualifying best at Runoffs 2017: 1:44.601 (Zach Holden)FF qualifying best at Runoffs 2018: 1:41.612 (Jonathon Kotyk)FF qualifying best at Runoffs 2019: 1:59.563 (Tyler O'Connor)FF qualifying best at Runoffs 2020: 2:22.916 (Simon Sikes)FF qualifying best at Runoffs 2021: 1:44.359 (Jonathan Kotyk)FF qualifying best at Runoffs 2022: 1:59.215 (Jonathan Kotyk)FF qualifying best at Runoffs 2023: 1:59.249 (Nolan Allaer)FF qualifying best at Runoffs 2024: 2:22.552 (Calvin Kautz)FF qualifying best at Runoffs 2025: 2:24.905 (Jonathan Kotyk)FF qualifying best at Runoffs 2026: 2:23.047 (David Ybarra)Daytona International Speedway · Runoffs 2015R2015Mid-Ohio Sports Car Course · Runoffs 2016R2016Indianapolis Motor Speedway · Runoffs 2017R2017Sonoma Raceway · Runoffs 2018R2018Virginia International Raceway · Runoffs 2019R2019Road America · Runoffs 2020R2020Indianapolis Motor Speedway · Runoffs 2021R2021Virginia International Raceway · Runoffs 2022R2022Virginia International Raceway · Runoffs 2023R2023Road America · Runoffs 2024R2024Road America · Runoffs 2025R2025Road America · Runoffs 2026R2026
FE2FPFVFFsolid race · dashed qualifying · slower is lower
100%110%120%18 rule changes between Runoffs 2018 and Runoffs 201918 ▾31 rule changes between Runoffs 2019 and Runoffs 202031 ▾24 rule changes between Runoffs 2020 and Runoffs 202124 ▾29 rule changes between Runoffs 2021 and Runoffs 202229 ▾7 rule changes between Runoffs 2022 and Runoffs 20237 ▾25 rule changes between Runoffs 2023 and Runoffs 202425 ▾22 rule changes between Runoffs 2024 and Runoffs 202522 ▾37 rule changes between Runoffs 2025 and Runoffs 202637 ▾FE2 race best at Runoffs 2018: 100.0% of FE2's (Flinn Lazier)FE2 race best at Runoffs 2019: 100.0% of FE2's (Liam Snyder)FE2 race best at Runoffs 2020: 100.0% of FE2's (Owen McAllister)FE2 race best at Runoffs 2021: 100.0% of FE2's (Max Grau)FE2 race best at Runoffs 2022: 100.0% of FE2's (Jason Conzo)FE2 race best at Runoffs 2023: 100.0% of FE2's (Franklin Futrelle)FE2 race best at Runoffs 2024: 100.0% of FE2's (Porter Aiken)FE2 race best at Runoffs 2025: 100.0% of FE2's (Franklin Futrelle)FE2 race best at Runoffs 2026: 100.0% of FE2's (Franklin Futrelle)FE2 qualifying best at Runoffs 2018: 100.0% of FE2's (Flinn Lazier)FE2 qualifying best at Runoffs 2019: 100.0% of FE2's (Liam Snyder)FE2 qualifying best at Runoffs 2020: 100.0% of FE2's (Scott Rettich)FE2 qualifying best at Runoffs 2021: 100.0% of FE2's (Max Grau)FE2 qualifying best at Runoffs 2022: 100.0% of FE2's (Charles Russell Turner)FE2 qualifying best at Runoffs 2023: 100.0% of FE2's (Charles Russell Turner)FE2 qualifying best at Runoffs 2024: 100.0% of FE2's (Porter Aiken)FE2 qualifying best at Runoffs 2025: 100.0% of FE2's (Franklin Futrelle)FE2 qualifying best at Runoffs 2026: 100.0% of FE2's (Franklin Futrelle)FP race best at Runoffs 2018: 113.5% of FE2's (Joe Huffaker)FP race best at Runoffs 2019: 114.2% of FE2's (Eric Prill)FP race best at Runoffs 2020: 115.6% of FE2's (Kevin Ruck)FP race best at Runoffs 2021: 124.1% of FE2's (Cliff Ira)FP race best at Runoffs 2022: 104.2% of FE2's (Mason Workman)FP race best at Runoffs 2023: 115.0% of FE2's (Cliff Ira)FP race best at Runoffs 2024: 115.4% of FE2's (Kevin Ruck)FP race best at Runoffs 2025: 115.7% of FE2's (Chris Bovis)FP race best at Runoffs 2026: 116.2% of FE2's (David Strittmatter)FP qualifying best at Runoffs 2018: 113.2% of FE2's (Joe Huffaker)FP qualifying best at Runoffs 2019: 114.7% of FE2's (Eric Prill)FP qualifying best at Runoffs 2020: 114.0% of FE2's (Ethan Shippert)FP qualifying best at Runoffs 2021: 115.2% of FE2's (Craig Chima)FP qualifying best at Runoffs 2022: 113.9% of FE2's (Eric Prill)FP qualifying best at Runoffs 2023: 115.9% of FE2's (Cliff Ira)FP qualifying best at Runoffs 2024: 115.8% of FE2's (Cliff Ira)FP qualifying best at Runoffs 2025: 115.0% of FE2's (David Strittmatter)FP qualifying best at Runoffs 2026: 115.8% of FE2's (Stephen Simonds)FV race best at Runoffs 2018: 118.9% of FE2's (Alex Scaler)FV race best at Runoffs 2019: 123.3% of FE2's (Zachary Whitston)FV race best at Runoffs 2020: 124.4% of FE2's (Alex Scaler)FV race best at Runoffs 2021: 121.3% of FE2's (Alex Scaler)FV race best at Runoffs 2022: 104.6% of FE2's (Andrew Whitston)FV race best at Runoffs 2023: 123.0% of FE2's (Andrew Abbott)FV race best at Runoffs 2024: 124.2% of FE2's (Andrew Abbott)FV race best at Runoffs 2025: 125.0% of FE2's (Zachary Whitston)FV race best at Runoffs 2026: 125.3% of FE2's (Brian Farnham)FV qualifying best at Runoffs 2018: 118.5% of FE2's (Skip Streets)FV qualifying best at Runoffs 2019: 122.2% of FE2's (Andrew Whitston)FV qualifying best at Runoffs 2020: 123.5% of FE2's (Hunter Phelps-Barron)FV qualifying best at Runoffs 2021: 121.9% of FE2's (Andrew Whitston)FV qualifying best at Runoffs 2022: 121.9% of FE2's (Brian Farnham)FV qualifying best at Runoffs 2023: 122.6% of FE2's (Andrew Whitston)FV qualifying best at Runoffs 2024: 123.7% of FE2's (Andrew Whitston)FV qualifying best at Runoffs 2025: 123.9% of FE2's (Andrew Abbott)FV qualifying best at Runoffs 2026: 125.9% of FE2's (Zachary Whitston)FF race best at Runoffs 2018: 106.8% of FE2's (Jonathon Kotyk)FF race best at Runoffs 2019: 125.3% of FE2's (Jonathan Kotyk)FF race best at Runoffs 2020: 108.3% of FE2's (Jeffrey Bartz)FF race best at Runoffs 2021: 119.7% of FE2's (Jonathan Kotyk)FF race best at Runoffs 2022: 104.8% of FE2's (Jonathan Kotyk)FF race best at Runoffs 2023: 108.5% of FE2's (Jonathan Kotyk)FF race best at Runoffs 2024: 107.0% of FE2's (Sebastian Mateo Naranjo)FF race best at Runoffs 2025: 109.2% of FE2's (Calvin Kautz)FF race best at Runoffs 2026: 109.0% of FE2's (Nathan Down)FF qualifying best at Runoffs 2018: 106.9% of FE2's (Jonathon Kotyk)FF qualifying best at Runoffs 2019: 107.7% of FE2's (Tyler O'Connor)FF qualifying best at Runoffs 2020: 107.6% of FE2's (Simon Sikes)FF qualifying best at Runoffs 2021: 108.3% of FE2's (Jonathan Kotyk)FF qualifying best at Runoffs 2022: 107.5% of FE2's (Jonathan Kotyk)FF qualifying best at Runoffs 2023: 107.8% of FE2's (Nolan Allaer)FF qualifying best at Runoffs 2024: 108.4% of FE2's (Calvin Kautz)FF qualifying best at Runoffs 2025: 109.4% of FE2's (Jonathan Kotyk)FF qualifying best at Runoffs 2026: 108.1% of FE2's (David Ybarra)Daytona International Speedway · Runoffs 2015R2015Mid-Ohio Sports Car Course · Runoffs 2016R2016Indianapolis Motor Speedway · Runoffs 2017R2017Sonoma Raceway · Runoffs 2018R2018Virginia International Raceway · Runoffs 2019R2019Road America · Runoffs 2020R2020Indianapolis Motor Speedway · Runoffs 2021R2021Virginia International Raceway · Runoffs 2022R2022Virginia International Raceway · Runoffs 2023R2023Road America · Runoffs 2024R2024Road America · Runoffs 2025R2025Road America · Runoffs 2026R2026
FE2FPFVFFsolid race · dashed qualifying · each class's best lap as a share of FE2's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker
EventFE2FPFVFF
Qual best Race best Trap Qual best Race best Trap vs FE2 % of FE2 Qual best Race best Trap vs FE2 % of FE2 Qual best Race best Trap vs FE2 % of FE2 
Road America Runoffs 20262026-09-282:12.326Franklin Futrelle · fastest of 8 · top 5 within 1.9s-0.149s (-0.11%)2:11.881Franklin Futrelle · fastest of 8 · top 5 within 1.6s-1.458s (-1.09%)143.5Steve Whitston-5.5 mph (-3.7%)2:33.275Stephen Simonds · fastest of 26 · top 5 within 1.0s+0.880s (+0.58%)2:33.240David Strittmatter · fastest of 25 · top 5 within 1.7s-1.031s (-0.67%)132.4David Strittmatter±0.0 mph (±0.0%)+21.359squal +20.949s116.2%qual 115.8%2:46.536Zachary Whitston · fastest of 37 · top 5 within 1.7s+2.435s (+1.48%)2:45.272Brian Farnham · fastest of 34 · top 5 within 1.3s-1.464s (-0.88%)117.4Rick Shields+0.2 mph (+0.1%)+33.391squal +34.210s125.3%qual 125.9%2:23.047David Ybarra · fastest of 20 · top 5 within 1.4s-1.858s (-1.28%)2:23.686Nathan Down · fastest of 20 · top 5 within 1.6s-1.855s (-1.27%)138.9Tazio Stefanelli+0.5 mph (+0.3%)+11.805squal +10.721s109.0%qual 108.1%
37 rule changes (FE2: 1, FP: 34, FF: 2)10 engine · 10 weight · 7 induction · 2 cars added · 2 tyres & wheels · 1 suspension & brakes · 4 wording · 1 othershowhide
  • FP Mini Cooper Compression Ratio #40517engine
  • FF Clarification in FF Kent 1600 Compression Ratio Paragraph #40293engine
  • FP 1996-2000 Honda Civic (CX, DX, VP, LX) with Engine Code D16Y7 #40322engine
  • FP 1275 Midget/Sprit Alternate intake manifold E/O #40370induction
  • FP HP Honda Civic (92-95) #40464weight -70 lbs
  • FP Miata track width - errors and omissions #39976wording
  • FP GCR Spec Line Correction #39977induction
  • FP CGR Spec Line Weight Correction #39978weight
  • FP Triumph GT6 Spec Change. #40098induction
  • FP Request to Classify BMW E21 320i #40110cars added
  • FP BMW 318is 84-85 engine displacement correction #40116engine
  • FP Correct Valve Sizes on FP Fiat x19 1300 and 1500 #39850engine
  • FP Dual Carburetor Adjustments #39851induction
  • FP Request Toyota 5E Series Engines #38208engine
  • FP Request for Toyota 4E Series Engines #38209engine
  • FP Dual Carbs for the Fiat X1/9 #39593induction
  • FF Formula F Alternative Tire Rule Proposed Clarifications #39281tyres & wheels
  • FP TR2 Notes E&O #39180weight
  • FP Balance of Power #39187weight +50 lbs
  • FP Competition Adjustment Request #39259weight -80 lbs
  • FP Factory Roll Bar Removal on VW Convertible #39268wording
  • FP FP Parity Request #39325weight +50 lbs
  • FP Adjust former-GTL Honda's with B/D-Series Engines #39374engine
  • FP Please Lower Weight of 280Z #38871weight -160 lbs
  • FP Miata Weight Adjustment Follow Up #38949weight -25 lbs
  • FP Weight Break for 1098 Midget / Sprite #38970weight -80 lbs
  • FP HP Volvo 142 spec omission #38994engine
  • FP HP Mini DOHC 1.6 #38996engine
  • FP 83-88 FP Scirocco Spec Line Creation #38997cars added
  • FP Add to Rabbit description #39019wording
  • FP Clean-up 9.1.5.E.7e #39025suspension & brakes
  • FP Add TB size to Ford Mustang (94-98) Spec Line #39130induction
  • FP Correct Existing VW Scirocco Spec Line #39140weight
  • FE2 FE & FE2 Bubble Tail #38978other
  • FP HP Plymouth Arrow spec omission #38995wording
  • FP Add Wheel Diameter to Appendix G #39008tyres & wheels
  • FP Add TB ID tolerance to general Prod rules #39009induction
Road America Runoffs 20252025-09-292:12.475Franklin Futrelle · fastest of 11 · top 5 within 1.4s+0.969s (+0.74%)2:13.339Franklin Futrelle · fastest of 10 · top 5 within 0.6s+0.591s (+0.45%)149.0Steve Whitston+3.7 mph (+2.6%)2:32.395David Strittmatter · fastest of 20 · top 5 within 2.9s+0.068s (+0.04%)2:34.271Chris Bovis · fastest of 19 · top 5 within 1.8s+1.025s (+0.67%)132.4David Strittmatter-1.1 mph (-0.8%)+20.932squal +19.920s115.7%qual 115.0%2:44.101Andrew Abbott · fastest of 34 · top 5 within 1.3s+1.458s (+0.90%)2:46.736Zachary Whitston · fastest of 29 · top 5 within 0.6s+1.902s (+1.15%)117.2Zachary Whitston+0.7 mph (+0.6%)+33.397squal +31.626s125.0%qual 123.9%2:24.905Jonathan Kotyk · fastest of 17 · top 5 within 1.1s+2.353s (+1.65%)2:25.541Calvin Kautz · fastest of 16 · top 5 within 0.5s+3.484s (+2.45%)138.4Tazio Stefanelli-2.3 mph (-1.6%)+12.202squal +12.430s109.2%qual 109.4%
22 rule changes (FE2: 1, FP: 17, FF: 4)9 weight · 4 induction · 2 cars added · 2 tyres & wheels · 1 engine · 4 othershowhide
  • FP BMW Z4 update #38490induction
  • FP EP Fiat 124 Spider Competition Adjustment Request #38498weight -50 lbs
  • FP Base Weight Adjustment for H-Production X1/9 Spec Lines #38255weight -50 lbs
  • FF Page 228, FF tire rule 9.1.1.10.e #38251tyres & wheels
  • FE2 Driver Safety & Comfort #37965other
  • FP Request for Classification of Chevrolet Spark #37755cars added
  • FP Request to Lower Ford Festiva Minimum Weight to 1600 LBS #37939weight -100 lbs
  • FF Formula F Proposal to Invite Older Cars Via a Tire Rule Change #37802tyres & wheels
  • FP Request Competition Adjustment to BMW Z3 2.5L #37120induction
  • FP FP Class Adjustments #37458weight
  • FP Interpretation of Production Rules on Mirrors #37235other
  • FP Weight Reduction for Honda S2000 #37466weight
  • FP Mazda 1999 Miata 1.8L #37488weight -50 lbs
  • FP Errors & Omissions #37648cars added
  • FP GTL/FP consolidation 2025 Rules #37659induction
  • FP Effective date for Jan 2025 GCR updates #37654induction
  • FP Request to Reduce Weight of BMW 325i/is E30 (84-91) Spec Line #37119weight -50 lbs
  • FP Fix Error in Spridget Spec Line #37437engine
  • FP Create ruleset that allows GTL cars to run in FP #37485other
  • FF Change FF/FC Weight with Sequential Gearbox #36651weight
  • FF Alternative Oversize Honda Fit Pistons #37064weight
  • FP 1275 HP Spridget Level 2 Only #36518other
Road America Runoffs 20242024-10-012:11.506Porter Aiken · fastest of 18 · top 5 within 0.5s-1.300s (-0.98%)2:12.748Porter Aiken · fastest of 17 · top 5 within 2.0s-0.523s (-0.39%)145.3Porter Aiken+1.9 mph (+1.3%)2:32.327Cliff Ira · fastest of 26 · top 5 within 2.1s+0.913s (+0.60%)2:33.246Kevin Ruck · fastest of 24 · top 5 within 1.4s-0.787s (-0.51%)133.5David Strittmatter+0.3 mph (+0.2%)+20.498squal +20.821s115.4%qual 115.8%2:42.643Andrew Whitston · fastest of 27 · top 5 within 2.3s-1.351s (-0.82%)2:44.834Andrew Abbott · fastest of 27 · top 5 within 0.9s-0.982s (-0.59%)116.5Brian Farnham-0.7 mph (-0.6%)+32.086squal +31.137s124.2%qual 123.7%2:22.552Calvin Kautz · fastest of 13 · top 5 within 1.1s-0.364s (-0.25%)2:22.057Sebastian Mateo Naranjo · fastest of 13 · top 5 within 0.6s-2.211s (-1.53%)140.7Calvin Kautz+2.6 mph (+1.9%)+9.309squal +11.046s107.0%qual 108.4%
25 rule changes (FP: 21, FV: 2, FF: 2)9 weight · 3 engine · 3 induction · 2 cars added · 1 suspension & brakes · 1 tyres & wheels · 3 wording · 3 othershowhide
  • FF Update to FF EGR Blanking Plate Rule #36633engine
  • FP Errors/emissions Honda Civic/CRX #36700wording
  • FV Disc Brakes #36822suspension & brakes
  • FP Errant entry in HP production line item #36231other
  • FP NIssan 300ZX Z31 to EP #35830cars added
  • FP RX7 1993 and Up Request In EP Spec Lines, classify #36031cars added
  • FP Clean-up Multiple EP RX-8 Spec Lines In EP #36156wording
  • FP Request to Replace CRX Plastic Panels #35876wording
  • FP FP data and parity #35896induction
  • FP GCR Correction - Redundant HP Spec Lines #35623engine
  • FP Update FP Protege (01-03) Model Info #35715other
  • FP Update 1988-1991 Civic to Match 1988-1991 CRX #35399weight
  • FF Honda Fit Oversize Piston Rings #35305other
  • FP FP data #35060weight +25 lbs
  • FP Request to Review Z3 2.5 Spec Line #35073weight +50 lbs
  • FP Corrections to Honda Spec Lines in FP #35250induction
  • FP Miata Alternate Head #35253weight -50 lbs
  • FP Triumph GT6 Adjustments #35255weight
  • FP Honda S2000 throttle body #35272induction
  • FP Correction within Triumph TR8 Spec Line #35315engine
  • FP Correction to EP 924S/944 Spec Line #35317weight
  • FP Porsche 944/924S Rule Change Request #35002weight
  • FP FP and HP Toyota Corolla #35030weight -43 lbs
  • FP Triumph GT6 Adjustments #35054weight -30 lbs
  • FV FV Wheel Bearing Clarification #35150tyres & wheels
Virginia International Raceway Runoffs 20232023-09-231:50.665Charles Russell Turner · fastest of 26 · top 5 within 2.3s-0.188s (-0.17%)1:51.098Franklin Futrelle · fastest of 19 · top 5 within 1.4s-20.947s (-15.86%)141.3Franklin Futrelle-0.6 mph (-0.4%)2:08.248Cliff Ira · fastest of 21 · top 5 within 1.0s+2.031s (+1.61%)2:07.787Cliff Ira · fastest of 20 · top 5 within 0.8s-9.854s (-7.16%)133.7Cliff Ira+1.1 mph (+0.9%)+16.689squal +17.583s115.0%qual 115.9%2:15.639Andrew Whitston · fastest of 27 · top 5 within 1.4s+0.523s (+0.39%)2:16.611Andrew Abbott · fastest of 23 · top 5 within 1.6s-1.482s (-1.07%)115.6Brian Farnham-0.2 mph (-0.2%)+25.513squal +24.974s123.0%qual 122.6%1:59.249Nolan Allaer · fastest of 8 · top 5 within 2.8s+0.034s (+0.03%)2:00.583Jonathan Kotyk · fastest of 8 · top 5 within 0.4s-17.775s (-12.85%)138.4Calvin Kautz+0.1 mph (+0.1%)+9.485squal +8.584s108.5%qual 107.8%
7 rule changes (FP: 6, FF: 1)2 cars added · 2 induction · 1 engine · 2 othershowhide
  • FP Correct Intake Valve Size on 1500cc Midget/Spitfire #34419induction
  • FP ITC to FP? #34286other
  • FP Request to Classify Sonic and Fiesta in HP #34264cars added
  • FP Classification Request for 1978 Toyota Celica #34097cars added
  • FF Add Fast Forward Part Numbers for Honda Fit Engine #33752engine
  • FP Request to Add Mazda Protege P5 to FP #33664other
  • FP Review Limited Prep Port Matching Rules #33600induction
Virginia International Raceway Runoffs 20222022-09-241:50.853Charles Russell Turner · fastest of 25 · top 5 within 1.1s-0.209s (-0.19%)2:12.045Jason Conzo · fastest of 22 · top 5 within 1.8s+19.891s (+17.74%)141.9Eric Cruz-0.6 mph (-0.5%)2:06.217Eric Prill · fastest of 18 · top 5 within 1.5s-1.219s (-0.96%)2:17.641Mason Workman · fastest of 15 · top 5 within 3.2s+9.565s (+7.47%)132.5Cliff Ira+1.2 mph (+0.9%)+5.596squal +15.364s104.2%qual 113.9%2:15.116Brian Farnham · fastest of 29 · top 5 within 1.1s-0.596s (-0.44%)2:18.093Andrew Whitston · fastest of 28 · top 5 within 1.2s-0.196s (-0.14%)115.8Jonathan Weisheit+1.1 mph (+0.9%)+6.048squal +24.263s104.6%qual 121.9%1:59.215Jonathan Kotyk · fastest of 13 · top 5 within 1.2s-0.348s (-0.29%)2:18.358Jonathan Kotyk · fastest of 12 · top 5 within 2.4s-2.116s (-1.51%)138.3Tim Kautz+2.2 mph (+1.6%)+6.313squal +8.362s104.8%qual 107.5%
29 rule changes (FP: 25, FV: 4)9 induction · 7 weight · 4 cars added · 4 engine · 2 tyres & wheels · 1 wording · 2 othershowhide
  • FP Request to classify VW New Beetle 2.5L in EP #32725cars added
  • FP Request Rotary Injection on Dual Y manifold #32775engine
  • FP Request for Corrado Stroke & Displacement Correction #32985engine
  • FP Subaru BRZ Model Years #32500other
  • FP Weight Adjustment of Lotus 7 #32213weight +50 lbs
  • FP EP MX-5 Global Cup Car #32218weight
  • FP Please Class BMW 128i in EP #32370cars added
  • FP Inconsistency in Body Work Descriptions #32396other
  • FP Request to classify the 1999-2000 Mazda Protege in FP #32398cars added
  • FP Mazda RX8 with 13b Rotary #32170induction
  • FP Request Idle control valve clarification #32178engine
  • FP Correct FP BMW 325e/es Displacement #32394engine
  • FP EP Adjustments #31858induction
  • FP 1999 3.8L Ford Mustang to EP? #31635weight
  • FP Improved Touring Tires #32064tyres & wheels
  • FP VW Golf Jetta 2.0L intake and exhaust size correction. #32173induction
  • FV Connecting Rod Update Request for 9.1.1.C Formula Vee (FV) 5.C.6 #32160weight
  • FV E&O clarification of connecting rod center-to-center length #32183weight
  • FP Throttle Body and Idle Air #31800induction
  • FP Porsche 968 Engine Questions #31478induction
  • FP PCS E. 2. n. 4. Add Axle Shaft to Allow FWD the Same Freedom #31592tyres & wheels
  • FP BMW Z3 2.5L Spec Line #31724induction
  • FP FP Del Sol VTEC #31859induction
  • FP Standardize Level 2 Classifications in FP #31868induction
  • FV Update direct replacement connecting rod information #31843weight
  • FP 944S2 Restrictor #31396induction
  • FP Classing Clarification for 1986 Toyota Corolla FX16 #31527cars added
  • FV Formula V Connecting Rod Replacement #31448weight
  • FP E&O; MR2 Track #31120wording
Indianapolis Motor Speedway Runoffs 20212021-09-251:36.395Max Grau · fastest of 28 · top 5 within 0.7s1:36.655Max Grau · fastest of 28 · top 5 within 0.7s146.2Gray Fowler1:51.082Craig Chima · fastest of 39 · top 5 within 1.2s-1.009s (-0.90%)1:59.933Cliff Ira · fastest of 33 · top 5 within 5.4s+6.926s (+6.13%)131.8Cliff Ira+23.278squal +14.687s124.1%qual 115.2%1:57.479Andrew Whitston · fastest of 48 · top 5 within 0.8s+1.720s (+1.49%)1:57.234Alex Scaler · fastest of 47 · top 5 within 1.0s+1.311s (+1.13%)124.0Mark Edwards+20.579squal +21.084s121.3%qual 121.9%1:44.359Jonathan Kotyk · fastest of 24 · top 5 within 1.1s-0.242s (-0.23%)1:55.676Jonathan Kotyk · fastest of 23 · top 5 within 1.8s+11.152s (+10.67%)141.6Nicholas Sheppard+19.021squal +7.964s119.7%qual 108.3%
24 rule changes (FP: 21, FF: 3)7 cars added · 7 weight · 5 engine · 2 suspension & brakes · 1 induction · 1 wording · 1 othershowhide
  • FP Request to Allow F22c Engine for 2000-2003 Honda S2000 #30548engine
  • FP Request a review of the S14 240SX in EP. #30873weight -200 lbs
  • FP Lotus/Caterham 7 America Request #30392engine
  • FP Request to classify ITC Plymouth Arrow #30588cars added
  • FP Reclassification of the 1984/85 BMW 318i from FP to HP #30661cars added
  • FP Fiat x1/9 Competition Adjustments #30711weight -50 lbs
  • FP Reclassify Daimler SP 250 #30721cars added
  • FP Move Porsche 924 in Level 1 Prep From EP to FP #30135cars added
  • FP Clarify Application of Percentage Based Weight Penalties #30669weight
  • FP Change Classification of 84-87 Mazda 626 from FP to HP #30350cars added
  • FP Fiat X1/9 brake rotors #30423suspension & brakes
  • FF Kent crankshaft clarification #30426wording
  • FP Please Classify Mazda3 in FP #30165cars added
  • FP Golf MkIII Valve Size Request #30268engine
  • FP Alternate Front Brake Rotors and Calipers for EP AH 3000 #29893suspension & brakes
  • FP Request VW weight break #29963weight -50 lbs
  • FF Allow Optional Coolant Bleed Line to Correct a Known Problem #29673engine
  • FF Clarification regarding Honda LC1 ECU implementation date #29684engine
  • FP Mk2 VW Consistency and Cleanup of FP and HP Spec Lines #29195weight -50 lbs
  • FP Correct Wording for Level 1 and Level 2 Induction Systems #29406induction
  • FP Weight Reduction for Datsun Roadster #29409weight -75 lbs
  • FP EP TR8 Adjustment #29512weight -100 lbs
  • FP Request to Classify 1996-2000 Honda Civic EX #29515cars added
  • FP FAJS Carburetor #29576other
Road America Runoffs 20202020-10-022:12.806Scott Rettich · fastest of 25 · top 5 within 0.6s2:13.271Owen McAllister · fastest of 23 · top 5 within 0.7s143.4Owen McAllister2:31.414Ethan Shippert · fastest of 23 · top 5 within 2.2s2:34.033Kevin Ruck · fastest of 21 · top 5 within 2.3s133.2Sam Henry+20.762squal +18.608s115.6%qual 114.0%2:43.994Hunter Phelps-Barron · fastest of 28 · top 5 within 0.6s2:45.816Alex Scaler · fastest of 24 · top 5 within 1.5s117.1Hunter Phelps-Barron+32.545squal +31.188s124.4%qual 123.5%2:22.916Simon Sikes · fastest of 14 · top 5 within 1.6s2:24.268Jeffrey Bartz · fastest of 14 · top 5 within 0.4s138.1Jeffrey Bartz+10.997squal +10.110s108.3%qual 107.6%
31 rule changes (FE2: 2, FP: 19, FV: 6, FF: 4)8 tyres & wheels · 7 engine · 5 cars added · 4 induction · 4 weight · 3 wordingshowhide
  • FP 84-87 Toyota Corolla HP Wheel Diameter Allowance Proposal E&O #29458tyres & wheels
  • FE2 FE/FE2 Oil Cooler #29293wording
  • FF Clarification regarding Honda LC1 ECU implementation #29135engine
  • FP EP BMW Z3 Rule Clarification #28998engine
  • FP Request to Classify Porsche 911 2.0L #28456cars added
  • FP Request to change to Carburetor Spec Line 84-87 Mazda 626 #28926induction
  • FV Support for Recommended Item - 4 bolt wheels in FV #29084tyres & wheels
  • FV Support for 4-bolt pattern wheels #28955 #29118tyres & wheels
  • FP BMW Cylinder Head Casting and Part Numbers #28708engine
  • FP Correct Scirocco Spec line E&O #28892weight
  • FP Request to Classify 1990-1994 Mazda Protege #28381cars added
  • FP Error in Mini Cooper Spec Line #28713wording
  • FF E&O FF Kent Engine alternator language #28204engine
  • FP Caterham 7 Spec Line #28498engine
  • FP Request to classify SOHC 1989-90 240SX in F prod L2 #28553cars added
  • FF Honda Racing HPD low cost ECU proposal #27563engine
  • FF Update rain tire designation #28443tyres & wheels
  • FP VW Weight and Valve Size Request #27886weight
  • FP Request to allow 40 DCOE carb for the Datsun 510 #28195induction
  • FP Request to classify Porsche 914 2L in LPrep FProd #28231cars added
  • FP Request Ford Fiesta Weight Adjustment #28336weight
  • FV Update rain tire designation #28444tyres & wheels
  • FP Request for Help for Datsun 1200 #27934induction
  • FP Request to List Mazda Miata Throttle Body Size #27907induction
  • FP Request to Classify 2001-2003 Mazda Protege ES in FP #27922cars added
  • FV FV Allow non-spec tire in Regional competition #26284tyres & wheels
  • FV Request to Allow Rear Tires on the Front of Formula Vee #26537tyres & wheels
  • FE2 FE / FE2 Update Rules #27624weight
  • FP Request to Correct Track of 1988-91 Honda Civic #27487wording
  • FP Re-organize Prep2 Cylinder Head Rules for Clarity & Consistency #27661engine
  • FV Clarification on Wheel Bolt Pattern #27603tyres & wheels
Virginia International Raceway Runoffs 20192019-10-051:51.062Liam Snyder · fastest of 20 · top 5 within 1.3s1:52.154Liam Snyder · fastest of 19 · top 5 within 0.7s142.6Robert Vanman2:07.436Eric Prill · fastest of 19 · top 5 within 0.6s2:08.076Eric Prill · fastest of 18 · top 5 within 0.8s131.4Ken Kannard+15.922squal +16.374s114.2%qual 114.7%2:15.712Andrew Whitston · fastest of 26 · top 5 within 1.5s2:18.289Zachary Whitston · fastest of 19 · top 5 within 0.4s114.8Roger Siebenaler+26.135squal +24.650s123.3%qual 122.2%1:59.563Tyler O'Connor · fastest of 14 · top 5 within 1.4s2:20.474Jonathan Kotyk · fastest of 14 · top 5 within 6.3s136.2Derek Ketchie+28.320squal +8.501s125.3%qual 107.7%
18 rule changes (FP: 9, FV: 6, FF: 3)4 induction · 2 engine · 2 suspension & brakes · 2 tyres & wheels · 1 cars added · 1 weight · 1 wording · 5 othershowhide
  • FV Allowed Modifications E&O #27398other
  • FP Request bodywork for Austin Healey Bugeye Sprite MK1 #27106other
  • FP Request to classify the GMX5 2019 #27263cars added
  • FP level one susp. component rule #27270suspension & brakes
  • FP Clarification of Carb Rules - Prep 1 #27300induction
  • FP Clarification of Carb Rules - Prep 2 #27301induction
  • FV E&O Wheels #27230tyres & wheels
  • FP Request Miata Eligibility - 2003 #27121other
  • FV Exhaust termination rule E&O #26702other
  • FV E&O Dimensions #26674other
  • FP Rollcenter Correction Clarification #25873tyres & wheels
  • FP Hardtops #26476wording
  • FV Request to clarify Disc Brake rules bearing retainer & weights #26262suspension & brakes
  • FP Request Classification of Dodge Daytona in F Production #26259weight -150 lbs
  • FF Request for Oversize Honda Fit Pistons #25810engine
  • FF Heat Shield - Fit Intake #26102induction
  • FF Request catch cans/tanks clarification #26158engine
  • FV FV Intake Manifold Clarification #26008induction
Sonoma Raceway Runoffs 20182018-10-101:35.040Flinn Lazier · fastest of 9 · top 5 within 1.5s1:35.563Flinn Lazier · fastest of 9 · top 5 within 1.7s126.8Scott Rettich1:47.588Joe Huffaker · fastest of 15 · top 5 within 3.0s1:48.481Joe Huffaker · fastest of 14 · top 5 within 2.2s109.1Joe Huffaker+12.918squal +12.548s113.5%qual 113.2%1:52.637Skip Streets · fastest of 29 · top 5 within 1.6s1:53.639Alex Scaler · fastest of 28 · top 5 within 0.4s106.3Skip Streets+18.076squal +17.597s118.9%qual 118.5%1:41.612Jonathon Kotyk · fastest of 22 · top 5 within 1.7s1:42.049Jonathon Kotyk · fastest of 22 · top 5 within 1.3s115.7Denny Renfrow+6.486squal +6.572s106.8%qual 106.9%
No rule changes on record between these events
Indianapolis Motor Speedway Runoffs 20172017-09-251:52.091Eric Prill · fastest of 42 · top 5 within 1.2s1:53.007Eric Prill · fastest of 40 · top 5 within 0.7s1:55.759Michael Varacins · fastest of 39 · top 5 within 1.0s1:55.923Michael Varacins · fastest of 32 · top 5 within 1.3s1:44.601Zach Holden · fastest of 36 · top 5 within 1.2s1:44.524Jonathon Kotyk · fastest of 36 · top 5 within 0.5s
No rule changes on record between these events
Mid-Ohio Sports Car Course Runoffs 20162016-09-191:35.938John Walker · fastest of 33 · top 5 within 0.4s1:36.399John Walker · fastest of 27 · top 5 within 0.3s1:37.942Alex Scaler · fastest of 41 · top 5 within 0.3s1:38.066Flinn Lazier · fastest of 38 · top 5 within 0.7s1:29.213Neil Verhagen · fastest of 14 · top 5 within 2.1s1:30.133Neil Verhagen · fastest of 14 · top 5 within 1.4s
No rule changes on record between these events
Daytona International Speedway Runoffs 20152015-09-212:11.009Kevin Ruck · fastest of 20 · top 5 within 1.6s2:12.419Kevin Ruck · fastest of 18 · top 5 within 1.1s2:21.167Roger Siebenaler · fastest of 31 · top 5 within 0.8s2:21.142Andrew Whitston · fastest of 30 · top 5 within 1.1s2:02.489Tim Kautz · fastest of 25 · top 5 within 1.1s2:03.383Rick Payne · fastest of 22 · top 5 within 0.8s

By track

TrackEvents Typical % of FE2 Best Latest 
Road America4100.0%100.0%Runoffs 2020100.0%Runoffs 2026
Virginia International Raceway3100.0%100.0%Runoffs 2019100.0%Runoffs 2023
Indianapolis Motor Speedway2100.0%1 of 2 with FE2100.0%Runoffs 2021100.0%Runoffs 2021
Daytona International Speedway10 of 1 with FE2
Mid-Ohio Sports Car Course10 of 1 with FE2
Sonoma Raceway1100.0%100.0%Runoffs 2018100.0%Runoffs 2018
About this data
Every event the class ran, at any track, oldest to newest on the chart and newest first in the table. Each point is the class's best lap as a share of FE2's best on the same day: the weather and the day cancel out, so one figure compares across years where lap times cannot; a class that suits one track more than another still reads differently there. It still moves when the yardstick's own balance changes or its field thins, and an event the yardstick did not run has no point. A best from fewer than three cars is greyed. The rule changes that took effect between two events are folded between their rows.