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BoP Lab / Classes / FV

FV vs FE2 vs FC pace at every track

Lap times across years say as much about the weather as the class. % of FV is each class's best lap as a share of FV'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)
AS+B-Spec+EP+FA+vsFC×vsFE2×FF+FP+FV×FX+GT1+GT2+GTX+HP+P+P2+SM+SMX+SRF3+STL+STU+T1+T2+T3+T4+Show 51 inactive classes
Series
Reference · what % is measured against
Tracks · untick to narrow

Closest to the field: FV 100.0% of FV Andrew Whitston, Daytona International Speedway Runoffs 2015 race · FE2 79.5% of FV Franklin Futrelle, Road America Runoffs 2026 qualifying · FC 78.5% of FV Brandon Dixon, Road America Runoffs 2026 qualifying

1:402:002:202:408 rule changes between Runoffs 2018 and Runoffs 20198 ▾12 rule changes between Runoffs 2019 and Runoffs 202012 ▾1 rule change between Runoffs 2020 and Runoffs 20211 ▾9 rule changes between Runoffs 2021 and Runoffs 20229 ▾3 rule changes between Runoffs 2022 and Runoffs 20233 ▾4 rule changes between Runoffs 2023 and Runoffs 20244 ▾3 rule changes between Runoffs 2024 and Runoffs 20253 ▾3 rule changes between Runoffs 2025 and Runoffs 20263 ▾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)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)FC race best at Runoffs 2015: 1:55.135 (Yufeng Luo)Off the chart: FC race best at Runoffs 2016: 1:22.049 (Nigel Saurino)FC race best at Runoffs 2017: 1:36.890 (Tim Minor)FC race best at Runoffs 2018: 1:34.053 (Mitch Egner)FC race best at Runoffs 2019: 1:52.174 (Robert Allaer)FC race best at Runoffs 2020: 2:13.608 (Robert Allaer)FC race best at Runoffs 2021: 1:36.980 (Simon Sikes)FC race best at Runoffs 2022: 2:07.859 (Nolan Allaer)FC race best at Runoffs 2023: 1:51.169 (Nolan Allaer)FC race best at Runoffs 2024: 2:11.534 (Michael Varacins)FC race best at Runoffs 2025: 2:12.824 (Brandon Dixon)FC race best at Runoffs 2026: 2:11.389 (Brandon Dixon)FC qualifying best at Runoffs 2015: 1:54.477 (Yufeng Luo)Off the chart: FC qualifying best at Runoffs 2016: 1:21.962 (John LaRue)FC qualifying best at Runoffs 2017: 1:36.336 (Austin McCusker)FC qualifying best at Runoffs 2018: 1:32.571 (Timothy de Silva)FC qualifying best at Runoffs 2019: 1:51.200 (Robert Allaer)FC qualifying best at Runoffs 2020: 2:12.644 (Robert Allaer)FC qualifying best at Runoffs 2021: 1:36.787 (Trent Walko)FC qualifying best at Runoffs 2022: 1:49.895 (Nolan Allaer)FC qualifying best at Runoffs 2023: 1:50.281 (Nolan Allaer)FC qualifying best at Runoffs 2024: 2:11.626 (Timothy Minor)FC qualifying best at Runoffs 2025: 2:11.259 (Brandon Dixon)FC qualifying best at Runoffs 2026: 2:10.686 (Brandon Dixon)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
FVFE2FCsolid race · dashed qualifying · slower is lower
80%85%90%95%100%8 rule changes between Runoffs 2018 and Runoffs 20198 ▾12 rule changes between Runoffs 2019 and Runoffs 202012 ▾1 rule change between Runoffs 2020 and Runoffs 20211 ▾9 rule changes between Runoffs 2021 and Runoffs 20229 ▾3 rule changes between Runoffs 2022 and Runoffs 20233 ▾4 rule changes between Runoffs 2023 and Runoffs 20244 ▾3 rule changes between Runoffs 2024 and Runoffs 20253 ▾3 rule changes between Runoffs 2025 and Runoffs 20263 ▾FV race best at Runoffs 2015: 100.0% of FV's (Andrew Whitston)FV race best at Runoffs 2016: 100.0% of FV's (Flinn Lazier)FV race best at Runoffs 2017: 100.0% of FV's (Michael Varacins)FV race best at Runoffs 2018: 100.0% of FV's (Alex Scaler)FV race best at Runoffs 2019: 100.0% of FV's (Zachary Whitston)FV race best at Runoffs 2020: 100.0% of FV's (Alex Scaler)FV race best at Runoffs 2021: 100.0% of FV's (Alex Scaler)FV race best at Runoffs 2022: 100.0% of FV's (Andrew Whitston)FV race best at Runoffs 2023: 100.0% of FV's (Andrew Abbott)FV race best at Runoffs 2024: 100.0% of FV's (Andrew Abbott)FV race best at Runoffs 2025: 100.0% of FV's (Zachary Whitston)FV race best at Runoffs 2026: 100.0% of FV's (Brian Farnham)FV qualifying best at Runoffs 2015: 100.0% of FV's (Roger Siebenaler)FV qualifying best at Runoffs 2016: 100.0% of FV's (Alex Scaler)FV qualifying best at Runoffs 2017: 100.0% of FV's (Michael Varacins)FV qualifying best at Runoffs 2018: 100.0% of FV's (Skip Streets)FV qualifying best at Runoffs 2019: 100.0% of FV's (Andrew Whitston)FV qualifying best at Runoffs 2020: 100.0% of FV's (Hunter Phelps-Barron)FV qualifying best at Runoffs 2021: 100.0% of FV's (Andrew Whitston)FV qualifying best at Runoffs 2022: 100.0% of FV's (Brian Farnham)FV qualifying best at Runoffs 2023: 100.0% of FV's (Andrew Whitston)FV qualifying best at Runoffs 2024: 100.0% of FV's (Andrew Whitston)FV qualifying best at Runoffs 2025: 100.0% of FV's (Andrew Abbott)FV qualifying best at Runoffs 2026: 100.0% of FV's (Zachary Whitston)FE2 race best at Runoffs 2018: 84.1% of FV's (Flinn Lazier)FE2 race best at Runoffs 2019: 81.1% of FV's (Liam Snyder)FE2 race best at Runoffs 2020: 80.4% of FV's (Owen McAllister)FE2 race best at Runoffs 2021: 82.4% of FV's (Max Grau)FE2 race best at Runoffs 2022: 95.6% of FV's (Jason Conzo)FE2 race best at Runoffs 2023: 81.3% of FV's (Franklin Futrelle)FE2 race best at Runoffs 2024: 80.5% of FV's (Porter Aiken)FE2 race best at Runoffs 2025: 80.0% of FV's (Franklin Futrelle)FE2 race best at Runoffs 2026: 79.8% of FV's (Franklin Futrelle)FE2 qualifying best at Runoffs 2018: 84.4% of FV's (Flinn Lazier)FE2 qualifying best at Runoffs 2019: 81.8% of FV's (Liam Snyder)FE2 qualifying best at Runoffs 2020: 81.0% of FV's (Scott Rettich)FE2 qualifying best at Runoffs 2021: 82.1% of FV's (Max Grau)FE2 qualifying best at Runoffs 2022: 82.0% of FV's (Charles Russell Turner)FE2 qualifying best at Runoffs 2023: 81.6% of FV's (Charles Russell Turner)FE2 qualifying best at Runoffs 2024: 80.9% of FV's (Porter Aiken)FE2 qualifying best at Runoffs 2025: 80.7% of FV's (Franklin Futrelle)FE2 qualifying best at Runoffs 2026: 79.5% of FV's (Franklin Futrelle)FC race best at Runoffs 2015: 81.6% of FV's (Yufeng Luo)FC race best at Runoffs 2016: 83.7% of FV's (Nigel Saurino)FC race best at Runoffs 2017: 83.6% of FV's (Tim Minor)FC race best at Runoffs 2018: 82.8% of FV's (Mitch Egner)FC race best at Runoffs 2019: 81.1% of FV's (Robert Allaer)FC race best at Runoffs 2020: 80.6% of FV's (Robert Allaer)FC race best at Runoffs 2021: 82.7% of FV's (Simon Sikes)FC race best at Runoffs 2022: 92.6% of FV's (Nolan Allaer)FC race best at Runoffs 2023: 81.4% of FV's (Nolan Allaer)FC race best at Runoffs 2024: 79.8% of FV's (Michael Varacins)FC race best at Runoffs 2025: 79.7% of FV's (Brandon Dixon)FC race best at Runoffs 2026: 79.5% of FV's (Brandon Dixon)FC qualifying best at Runoffs 2015: 81.1% of FV's (Yufeng Luo)FC qualifying best at Runoffs 2016: 83.7% of FV's (John LaRue)FC qualifying best at Runoffs 2017: 83.2% of FV's (Austin McCusker)FC qualifying best at Runoffs 2018: 82.2% of FV's (Timothy de Silva)FC qualifying best at Runoffs 2019: 81.9% of FV's (Robert Allaer)FC qualifying best at Runoffs 2020: 80.9% of FV's (Robert Allaer)FC qualifying best at Runoffs 2021: 82.4% of FV's (Trent Walko)FC qualifying best at Runoffs 2022: 81.3% of FV's (Nolan Allaer)FC qualifying best at Runoffs 2023: 81.3% of FV's (Nolan Allaer)FC qualifying best at Runoffs 2024: 80.9% of FV's (Timothy Minor)FC qualifying best at Runoffs 2025: 80.0% of FV's (Brandon Dixon)FC qualifying best at Runoffs 2026: 78.5% of FV's (Brandon Dixon)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
FVFE2FCsolid race · dashed qualifying · each class's best lap as a share of FV's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker
EventFVFE2FC
Qual best Race best Trap Qual best Race best Trap vs FV % of FV Qual best Race best Trap vs FV % of FV 
Road America Runoffs 20262026-09-282:46.536Zachary 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%)2:12.326Franklin 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%)-33.391squal -34.210s79.8%qual 79.5%2:10.686Brandon Dixon · fastest of 10 · top 5 within 4.0s-0.573s (-0.44%)2:11.389Brandon Dixon · fastest of 10 · top 5 within 2.7s-1.435s (-1.08%)143.3Dean Kiriluk-1.8 mph (-1.2%)-33.883squal -35.850s79.5%qual 78.5%
3 rule changes (FE2: 1, FC: 2)1 weight · 2 othershowhide
  • FC F2000 MZR Spec Line Clarity/Revision Requested #38927other
  • FC Adjust F2000 Metrik ZF2 weight #39612weight -20 lbs
  • FE2 FE & FE2 Bubble Tail #38978other
Road America Runoffs 20252025-09-292:44.101Andrew 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%)2:12.475Franklin 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%)-33.397squal -31.626s80.0%qual 80.7%2:11.259Brandon Dixon · fastest of 10 · top 5 within 2.7s-0.367s (-0.28%)2:12.824Brandon Dixon · fastest of 9 · top 5 within 2.3s+1.290s (+0.98%)145.1Brandon Dixon+0.9 mph (+0.6%)-33.912squal -32.842s79.7%qual 80.0%
3 rule changes (FE2: 1, FC: 2)1 tyres & wheels · 1 weight · 1 othershowhide
  • FE2 Driver Safety & Comfort #37965other
  • FC 9.1.1.10.h. FC Tire Rule #36533tyres & wheels
  • FC Change FF/FC Weight with Sequential Gearbox #36651weight
Road America Runoffs 20242024-10-012:42.643Andrew 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%)2:11.506Porter 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%)-32.086squal -31.137s80.5%qual 80.9%2:11.626Timothy Minor · fastest of 10 · top 5 within 1.3s-1.018s (-0.77%)2:11.534Michael Varacins · fastest of 9 · top 5 within 1.8s-2.074s (-1.55%)144.2Michael Varacins+1.8 mph (+1.2%)-33.300squal -31.017s79.8%qual 80.9%
4 rule changes (FV: 2, FC: 2)2 weight · 1 suspension & brakes · 1 tyres & wheelsshowhide
  • FV Disc Brakes #36822suspension & brakes
  • FC Four Pot Calipers #35481weight
  • FC Please correct omitted punctuation #34890weight
  • FV FV Wheel Bearing Clarification #35150tyres & wheels
Virginia International Raceway Runoffs 20232023-09-232:15.639Andrew 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%)1:50.665Charles 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%)-25.513squal -24.974s81.3%qual 81.6%1:50.281Nolan Allaer · fastest of 11 · top 5 within 2.3s+0.386s (+0.35%)1:51.169Nolan Allaer · fastest of 11 · top 5 within 2.5s-16.690s (-13.05%)143.5Robert Allaer+2.3 mph (+1.7%)-25.442squal -25.358s81.4%qual 81.3%
3 rule changes (FC: 3)1 engine · 1 tyres & wheels · 1 weightshowhide
  • FC Review FC Runoffs Tire Marking Rule #34274tyres & wheels
  • FC USF2000 Van Diemen with Mazda MZR LF-DE 2.0L in FC #34329weight
  • FC E&O 9.1.1.B.16.j #33634engine
Virginia International Raceway Runoffs 20222022-09-242:15.116Brian 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%)1:50.853Charles 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%)-6.048squal -24.263s95.6%qual 82.0%1:49.895Nolan Allaer · fastest of 12 · top 5 within 1.5s-1.305s (-1.17%)2:07.859Nolan Allaer · fastest of 13 · top 5 within 3.8s+15.685s (+13.98%)141.2Tim Minor-0.6 mph (-0.4%)-10.234squal -25.221s92.6%qual 81.3%
9 rule changes (FV: 4, FC: 5)4 weight · 3 engine · 1 tyres & wheels · 1 wordingshowhide
  • FC Add Specification to Performance Electronics ECU for Ford Zetec #32761engine
  • 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
  • FC Clean up Chassis/Frame section #31867engine
  • FV Update direct replacement connecting rod information #31843weight
  • FC Clarify Zetec ECU requirements #31554engine
  • FV Formula V Connecting Rod Replacement #31448weight
  • FC Clarify composite anti-intrusion panel language #31426wording
  • FC Clarify tire marking requirements #31455tyres & wheels
Indianapolis Motor Speedway Runoffs 20212021-09-251:57.479Andrew 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 Edwards1:36.395Max Grau · fastest of 28 · top 5 within 0.7s1:36.655Max Grau · fastest of 28 · top 5 within 0.7s146.2Gray Fowler-20.579squal -21.084s82.4%qual 82.1%1:36.787Trent Walko · fastest of 31 · top 5 within 1.7s+0.451s (+0.47%)1:36.980Simon Sikes · fastest of 31 · top 5 within 2.0s+0.090s (+0.09%)141.6Tim Minor-20.254squal -20.692s82.7%qual 82.4%
1 rule change (FC: 1)1 weightshowhide
  • FC Request for FC Weight Change #30171weight
Road America Runoffs 20202020-10-022:43.994Hunter Phelps-Barron · fastest of 28 · top 5 within 0.6s2:45.816Alex Scaler · fastest of 24 · top 5 within 1.5s117.1Hunter Phelps-Barron2:12.806Scott Rettich · fastest of 25 · top 5 within 0.6s2:13.271Owen McAllister · fastest of 23 · top 5 within 0.7s143.4Owen McAllister-32.545squal -31.188s80.4%qual 81.0%2:12.644Robert Allaer · fastest of 13 · top 5 within 2.1s2:13.608Robert Allaer · fastest of 11 · top 5 within 1.2s142.4Robert Allaer-32.208squal -31.350s80.6%qual 80.9%
12 rule changes (FV: 6, FE2: 2, FC: 4)6 tyres & wheels · 2 engine · 2 weight · 1 induction · 1 wordingshowhide
  • FC Urgent: SCCA PE3 map unsuitable #29475induction
  • FE2 FE/FE2 Oil Cooler #29293wording
  • FC Request for weight adjustments to equalize FC competition. #28888weight
  • FV Support for Recommended Item - 4 bolt wheels in FV #29084tyres & wheels
  • FV Support for 4-bolt pattern wheels #28955 #29118tyres & wheels
  • FV Update rain tire designation #28444tyres & wheels
  • 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
  • FC Request for Better Zetec Connecting Rods #27710engine
  • FC Add Alternate Piston #27795engine
  • FE2 FE / FE2 Update Rules #27624weight
  • FV Clarification on Wheel Bolt Pattern #27603tyres & wheels
Virginia International Raceway Runoffs 20192019-10-052:15.712Andrew Whitston · fastest of 26 · top 5 within 1.5s2:18.289Zachary Whitston · fastest of 19 · top 5 within 0.4s114.8Roger Siebenaler1:51.062Liam Snyder · fastest of 20 · top 5 within 1.3s1:52.154Liam Snyder · fastest of 19 · top 5 within 0.7s142.6Robert Vanman-26.135squal -24.650s81.1%qual 81.8%1:51.200Robert Allaer · fastest of 10 · top 5 within 3.1s1:52.174Robert Allaer · fastest of 9 · top 5 within 2.7s141.8Robert Allaer-26.115squal -24.512s81.1%qual 81.9%
8 rule changes (FV: 6, FC: 2)2 weight · 1 induction · 1 suspension & brakes · 1 tyres & wheels · 3 othershowhide
  • FV Allowed Modifications E&O #27398other
  • FV E&O Wheels #27230tyres & wheels
  • FV Exhaust termination rule E&O #26702other
  • FC E&O Wiseco piston and Crower connecting rod #26659weight
  • FV E&O Dimensions #26674other
  • FV Request to clarify Disc Brake rules bearing retainer & weights #26262suspension & brakes
  • FV FV Intake Manifold Clarification #26008induction
  • FC Correct Wiseco piston and connecting rod #25809weight
Sonoma Raceway Runoffs 20182018-10-101:52.637Skip Streets · fastest of 29 · top 5 within 1.6s1:53.639Alex Scaler · fastest of 28 · top 5 within 0.4s106.3Skip Streets1:35.040Flinn Lazier · fastest of 9 · top 5 within 1.5s1:35.563Flinn Lazier · fastest of 9 · top 5 within 1.7s126.8Scott Rettich-18.076squal -17.597s84.1%qual 84.4%1:32.571Timothy de Silva · fastest of 16 · top 5 within 1.8s1:34.053Mitch Egner · fastest of 12 · top 5 within 1.6s133.1Robert Armington-19.586squal -20.066s82.8%qual 82.2%
No rule changes on record between these events
Indianapolis Motor Speedway Runoffs 20172017-09-251:55.759Michael Varacins · fastest of 39 · top 5 within 1.0s1:55.923Michael Varacins · fastest of 32 · top 5 within 1.3s1:36.336Austin McCusker · fastest of 14 · top 5 within 2.3s1:36.890Tim Minor · fastest of 14 · top 5 within 3.8s-19.033squal -19.423s83.6%qual 83.2%
No rule changes on record between these events
Mid-Ohio Sports Car Course Runoffs 20162016-09-191:37.942Alex Scaler · fastest of 41 · top 5 within 0.3s1:38.066Flinn Lazier · fastest of 38 · top 5 within 0.7s1:21.962John LaRue · fastest of 7 · top 5 within 2.6s1:22.049Nigel Saurino · fastest of 7 · top 5 within 3.0s-16.017squal -15.980s83.7%qual 83.7%
No rule changes on record between these events
Daytona International Speedway Runoffs 20152015-09-212:21.167Roger Siebenaler · fastest of 31 · top 5 within 0.8s2:21.142Andrew Whitston · fastest of 30 · top 5 within 1.1s1:54.477Yufeng Luo · fastest of 11 · top 5 within 2.5s1:55.135Yufeng Luo · fastest of 10 · top 5 within 2.1s-26.007squal -26.690s81.6%qual 81.1%

By track

TrackEvents Typical % of FV 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%100.0%Runoffs 2017100.0%Runoffs 2021
Daytona International Speedway1100.0%100.0%Runoffs 2015100.0%Runoffs 2015
Mid-Ohio Sports Car Course1100.0%100.0%Runoffs 2016100.0%Runoffs 2016
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 FV'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.