BoP Labbeta

BoP Lab / Michelin Raceway Road Atlanta

P2 vs SRF vs F5 vs FE2 pace at Michelin Raceway Road Atlanta

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
Reference class · the others' laps as a share of this one's at the same event, so years compare despite weather; + a class above to measure against it

Quickest here: P2 1:22.533 Lucian Pancea, Super Tour Mar 2023 qualifying · F5 1:30.019 Ryan Mayfield, Super Tour Mar 2021 qualifying · FE2 1:22.855 Paul Schneider, Super Tour Mar 2022 race

1:221:241:261:281:301:3223 rule changes between Super Tour Mar 2021 and Super Tour Mar 202223 ▾14 rule changes between Super Tour Mar 2022 and Super Tour Mar 202314 ▾13 rule changes between Super Tour Mar 2023 and Super Tour Mar 202413 ▾9 rule changes between Super Tour Mar 2024 and Super Tour Mar 20259 ▾6 rule changes between Super Tour Mar 2025 and Super Tour Mar 20266 ▾P2 race best at Super Tour Mar 2021: 1:26.120 (Lucian Pancea)P2 race best at Super Tour Mar 2022: 1:23.071 (Robert Iversen)P2 race best at Super Tour Mar 2023: 1:23.804 (Lucian Pancea)P2 race best at Super Tour Mar 2024: 1:26.233 (Sherman Chao)P2 qualifying best at Super Tour Mar 2021: 1:27.406 (Lucas Mann)P2 qualifying best at Super Tour Mar 2022: 1:24.013 (Robert Iversen)P2 qualifying best at Super Tour Mar 2023: 1:22.533 (Lucian Pancea)P2 qualifying best at Super Tour Mar 2024: 1:24.228 (Lucian Pancea)F5 race best at Super Tour Mar 2021: 1:30.399 (Calvin Stewart)F5 race best at Super Tour Mar 2022: 1:31.333 (Wiley McMahan)F5 qualifying best at Super Tour Mar 2021: 1:30.019 (Ryan Mayfield)F5 qualifying best at Super Tour Mar 2022: 1:30.355 (Wiley McMahan)FE2 race best at Super Tour Mar 2021: 1:23.956 (Bailey Monette)FE2 race best at Super Tour Mar 2022: 1:22.855 (Paul Schneider)FE2 race best at Super Tour Mar 2023: 1:24.454 (Charles Russell Turner)FE2 race best at Super Tour Mar 2024: 1:24.414 (Charles Russell Turner)FE2 race best at Super Tour Mar 2025: 1:23.500 (Franklin Futrelle)FE2 race best at Super Tour Mar 2026: 1:24.978 (Paul Schneider)FE2 qualifying best at Super Tour Mar 2021: 1:24.364 (Bailey Monette)FE2 qualifying best at Super Tour Mar 2022: 1:23.096 (Paul Schneider)FE2 qualifying best at Super Tour Mar 2023: 1:23.128 (Franklin Futrelle)FE2 qualifying best at Super Tour Mar 2024: 1:23.212 (Franklin Futrelle)FE2 qualifying best at Super Tour Mar 2025: 1:23.136 (Franklin Futrelle)FE2 qualifying best at Super Tour Mar 2026: 1:24.639 (Paul Schneider)Super Tour Mar 2021Super Tour Mar2021Super Tour Mar 2022Super Tour Mar2022Super Tour Mar 2023Super Tour Mar2023Super Tour Mar 2024Super Tour Mar2024Super Tour Mar 2025Super Tour Mar2025Super Tour Mar 2026Super Tour Mar2026
P2SRFF5FE2solid race · dashed qualifying · slower is lower
96%98%100%102%104%106%108%110%23 rule changes between Super Tour Mar 2021 and Super Tour Mar 202223 ▾14 rule changes between Super Tour Mar 2022 and Super Tour Mar 202314 ▾13 rule changes between Super Tour Mar 2023 and Super Tour Mar 202413 ▾9 rule changes between Super Tour Mar 2024 and Super Tour Mar 20259 ▾6 rule changes between Super Tour Mar 2025 and Super Tour Mar 20266 ▾P2 race best at Super Tour Mar 2021: 100.0% of P2's (Lucian Pancea)P2 race best at Super Tour Mar 2022: 100.0% of P2's (Robert Iversen)P2 race best at Super Tour Mar 2023: 100.0% of P2's (Lucian Pancea)P2 race best at Super Tour Mar 2024: 100.0% of P2's (Sherman Chao)P2 qualifying best at Super Tour Mar 2021: 100.0% of P2's (Lucas Mann)P2 qualifying best at Super Tour Mar 2022: 100.0% of P2's (Robert Iversen)P2 qualifying best at Super Tour Mar 2023: 100.0% of P2's (Lucian Pancea)P2 qualifying best at Super Tour Mar 2024: 100.0% of P2's (Lucian Pancea)F5 race best at Super Tour Mar 2021: 105.0% of P2's (Calvin Stewart)F5 race best at Super Tour Mar 2022: 109.9% of P2's (Wiley McMahan)F5 qualifying best at Super Tour Mar 2021: 103.0% of P2's (Ryan Mayfield)F5 qualifying best at Super Tour Mar 2022: 107.5% of P2's (Wiley McMahan)FE2 race best at Super Tour Mar 2021: 97.5% of P2's (Bailey Monette)FE2 race best at Super Tour Mar 2022: 99.7% of P2's (Paul Schneider)FE2 race best at Super Tour Mar 2023: 100.8% of P2's (Charles Russell Turner)FE2 race best at Super Tour Mar 2024: 97.9% of P2's (Charles Russell Turner)FE2 qualifying best at Super Tour Mar 2021: 96.5% of P2's (Bailey Monette)FE2 qualifying best at Super Tour Mar 2022: 98.9% of P2's (Paul Schneider)FE2 qualifying best at Super Tour Mar 2023: 100.7% of P2's (Franklin Futrelle)FE2 qualifying best at Super Tour Mar 2024: 98.8% of P2's (Franklin Futrelle)Super Tour Mar 2021Super Tour Mar2021Super Tour Mar 2022Super Tour Mar2022Super Tour Mar 2023Super Tour Mar2023Super Tour Mar 2024Super Tour Mar2024Super Tour Mar 2025Super Tour Mar2025Super Tour Mar 2026Super Tour Mar2026
P2SRFF5FE2solid race · dashed qualifying · each class's best lap as a share of P2's at the same event (the reference class, changeable above); 100% is level, higher is quicker
EventP2SRFF5FE2
Qual bestRace bestTrapQual bestRace bestTrapvs P2% of P2Qual bestRace bestTrapvs P2% of P2Qual bestRace bestTrapvs P2% of P2
Super Tour Mar 2026 ST26MAR062026-03-061:24.639Paul Schneider · fastest of 7 · top 5 within 2.4s+1.503s (+1.81%)1:24.978Paul Schneider · fastest of 7 · top 5 within 2.9s+1.478s (+1.77%)138.5Paul Schneider+4.9 mph (+3.6%)
6 rule changes (SRF: 4, FE2: 2)1 cars added · 5 other · FE and FE2 Enterprise bubble tail part WM138014 now allowed; FE2 must use this configuration only. · FE2 allows pre-approved driver safety and comfort seat and control modifications for drivers with disabilities, per logbook.showhide
  • SRF SRF3 Spark Plugs #39899other
  • FE2 FE & FE2 Bubble Tail #38978cars addedaddedFE and FE2 Enterprise bubble tail part WM138014 now allowed; FE2 must use this configuration only.
  • SRF Add HD Oil Cooler #38979other
  • FE2 Driver Safety & Comfort #37965otheraddedFE2 allows pre-approved driver safety and comfort seat and control modifications for drivers with disabilities, per logbook.
  • SRF Driver Safety & Comfort #37966other
  • SRF Update SADEV transmission specs #37992other
Super Tour Mar 2025 ST25MAR072025-03-071:23.136Franklin Futrelle · fastest of 8 · top 5 within 2.1s-0.076s (-0.09%)1:23.500Franklin Futrelle · fastest of 8 · top 5 within 1.9s-0.914s (-1.08%)133.6Eric Wisniewski+1.7 mph (+1.3%)
9 rule changes (P2: 3, SRF: 6)4 tyres & wheels · 1 engine · 1 suspension & brakes · 1 weight · 1 wording · 1 other · FE and SRF protest fee rules redirected to GCR section 8.3.1.D for fees and procedure.showhide
  • P2 2000 cc Pinto Engine Car Weight #37187weight
  • SRF Update SRF3 Air Filter Rule #36681other
  • SRF Update SRF Brake Rotor Thickness #36687suspension & brakes
  • SRF Hoosier Tire Decal Placement #36739tyres & wheels
  • SRF Protest Fee Clarification #36540wordingwordingFE and SRF protest fee rules redirected to GCR section 8.3.1.D for fees and procedure.
  • SRF Update to Letter 36619 with new Hoosier Contingency Decal Info #36624tyres & wheels
  • SRF Update Rain Tire Rule and Hoosier Decal Placement #36436tyres & wheels
  • P2 CN Spec ECU #35835engine
  • P2 E&O - Correct FIA Group CN spec line notes #35900tyres & wheels
Super Tour Mar 2024 ST24MAR082024-03-081:24.228Lucian Pancea · fastest of 4 · top 4 within 5.2s+1.695s (+2.05%)1:26.233Sherman Chao · fastest of 4 · top 4 within 17.9s+2.429s (+2.90%)134.0Lucian Pancea-12.5 mph (-8.5%)1:23.212Franklin Futrelle · fastest of 14 · top 5 within 2.3s+0.084s (+0.10%)1:24.414Charles Russell Turner · fastest of 13 · top 5 within 1.5s-0.040s (-0.05%)131.9Jason Conzo-9.2 mph (-6.5%)-1.819squal -1.016s97.9%qual 98.8%
13 rule changes (P2: 7, SRF: 6)4 engine · 3 tyres & wheels · 2 suspension & brakes · 2 weight · 1 wording · 1 othershowhide
  • P2 E&O - Clarify B.1 modified engine range in AMAC spec lines #35225engine
  • P2 Replacement Engine Crankcase for 07/08 Suzuki GSX-R1000 Engines #35340engine
  • SRF Update SRF Rain / Brake Rule #34706suspension & brakes
  • SRF Update SRF Brake Light Rule v1 #34853suspension & brakes
  • SRF SRF / SRF3 Rule Updates #35268weight
  • P2 Correct Table 1 for Engine Date Range Specifications #35182engine
  • SRF SRF Radiator Rule Update #34805other
  • SRF Hoosier SRF Wet Front Tire Rule Update #34189tyres & wheels
  • P2 Clarify minimum side body height requirement #34143tyres & wheels
  • P2 Clarify closed cockpit single seat car allowance #34144wording
  • SRF Update SRF Front W2 Rain Tire Part Number #34118tyres & wheels
  • P2 Remove redundant effective date language and update engine table #34012engine
  • P2 E&O - Correct dimensional equivalents #34038weight
Super Tour Mar 2023 ST23MAR102023-03-101:22.533Lucian Pancea · fastest of 4 · top 4 within 4.2s-1.480s (-1.76%)1:23.804Lucian Pancea · fastest of 4 · top 4 within 4.6s+0.733s (+0.88%)146.5Lucian Pancea-3.5 mph (-2.4%)1:23.128Franklin Futrelle · fastest of 15 · top 5 within 2.5s+0.032s (+0.04%)1:24.454Charles Russell Turner · fastest of 15 · top 5 within 1.2s+1.599s (+1.93%)141.1Eric Cruz-3.0 mph (-2.1%)+0.650squal +0.595s100.8%qual 100.7%
14 rule changes (P2: 7, SRF: 3, F5: 4)2 engine · 2 suspension & brakes · 2 tyres & wheels · 2 weight · 1 cars added · 4 wording · 1 other · F500 Rotax 493 and 593 intake boots: removed Moto Tassinari V3124-873B-2 from 493/593 non-HO allowance, added Moto Tassinari V3120-794A-2 option for non-HO. · F500 Rotax engines now permit Ingi Tech Sparker ignition DCP-CDI-P2 as alternate ECU. · F500 clarifies stepped diameter exhaust headers prohibited except at cylinder head flange area. · F500 Rotax 593 intake boot options clarified; oil injection pump removal now permitted.showhide
  • SRF Update SRF Brake Rule #33469suspension & brakes
  • P2 Request to Classify Sebeco NP01 #33378cars added
  • P2 Radical spec line clarifications #33485weight
  • P2 E&O original class intent #33519weight
  • P2 Update Engine Table Spec Line B.1 #33608engine
  • F5 Intake Boots Correction #33028wordingwordingF500 Rotax 493 and 593 intake boots: removed Moto Tassinari V3124-873B-2 from 493/593 non-HO allowance, added Moto Tassinari V3120-794A-2 option for non-HO.
  • F5 Ensure availability of ECU for Rotax engines #32695engineadded · engineF500 Rotax engines now permit Ingi Tech Sparker ignition DCP-CDI-P2 as alternate ECU.
  • F5 Clarify stepped exhaust header references #32743wordingwordingF500 clarifies stepped diameter exhaust headers prohibited except at cylinder head flange area.
  • F5 593 carb boot availability and oil pump clarification #32527wordingwordingF500 Rotax 593 intake boot options clarified; oil injection pump removal now permitted.
  • SRF SRF Tire Rule Update #32614tyres & wheels
  • SRF Brake, seal, and air filter clarifications #32670suspension & brakes
  • P2 E&O Clarification of Chassis Construction Requirements #32469tyres & wheels
  • P2 Clean up P2 wording #32525wording
  • P2 After Market to Aftermarket #32373other
Super Tour Mar 2022 ST22MAR122022-03-121:24.013Robert Iversen · fastest of 6 · top 5 within 3.1s-3.393s (-3.88%)1:23.071Robert Iversen · fastest of 6 · top 5 within 4.0s-3.049s (-3.54%)150.1Robert Iversen+13.2 mph (+9.6%)1:30.355Wiley McMahan · fastest of 11 · top 5 within 5.0s+0.336s (+0.37%)1:31.333Wiley McMahan · fastest of 11 · top 5 within 5.4s+0.934s (+1.03%)138.2Wiley McMahan-3.4 mph (-2.4%)+8.262squal +6.342s109.9%qual 107.5%1:23.096Paul Schneider · fastest of 13 · top 5 within 2.8s-1.268s (-1.50%)1:22.855Paul Schneider · fastest of 13 · top 5 within 2.5s-1.101s (-1.31%)144.1Bailey Monette+5.2 mph (+3.8%)-0.216squal -0.917s99.7%qual 98.9%
23 rule changes (P2: 13, SRF: 5, F5: 5)5 engine · 4 tyres & wheels · 3 weight · 1 aero · 1 cars added · 2 wording · 7 other · F500 Majors and Runoffs cars must install AIM part #X47KPFSOLO2R0 data box mount for Solo or Solo 2. · F5 cars must install AIM part #X47KPFSOLO2R0 data box mount for Majors and Runoffs. · F5 clarifies mechanical shifting only; throttle-cut and flat-shifter devices permitted if driver retains full control. · F5 single-seat open-wheel cars: rigid suspension becomes limited suspension in class definition. · F500 Rotax 593 HO engine now permitted; 875 lbs minimum weight, MA0242SP1020A or MA0242SP1063A restrictor, specific intake boots and piston required.showhide
  • F5 E&O class name #32194otheraddedF500 Majors and Runoffs cars must install AIM part #X47KPFSOLO2R0 data box mount for Solo or Solo 2.
  • P2 Add spec line for Beasley B2 #32147weight
  • P2 E&O Table 1 spec line wing terminology #32148aero
  • P2 E&O class name #32196other
  • P2 E&O Engine section #31969engine
  • F5 Data Box Mounting Plate #31638otheraddedF5 cars must install AIM part #X47KPFSOLO2R0 data box mount for Majors and Runoffs.
  • P2 E&O letter #31539 – Control Area definition #31783tyres & wheels
  • P2 BoP adjustment effective 1-1-22 #31538engine
  • P2 E&O clarification of "Control Area" definition #31539tyres & wheels
  • SRF Three Updates to SRF Rules #31523weight
  • P2 P2 CN Engine Rebuild Clarification #31000engine
  • F5 Clarify allowable assisted shifting systems #30871wordingwordingF5 clarifies mechanical shifting only; throttle-cut and flat-shifter devices permitted if driver retains full control.
  • F5 Request to correct terminology #30976wordingwordingF5 single-seat open-wheel cars: rigid suspension becomes limited suspension in class definition.
  • P2 F5 P2 Conversion #30856other
  • P2 Clarify minimum body width requirement #30859tyres & wheels
  • SRF SRF Wet Tires #30849tyres & wheels
  • SRF SADEV-SRF3 Transmission #30926other
  • SRF SRF Update Maintenance, Repairs and Seals #30961engine
  • F5 Request to Allow Rotax 593 HO Engine #30712cars addedaddedF500 Rotax 593 HO engine now permitted; 875 lbs minimum weight, MA0242SP1020A or MA0242SP1063A restrictor, specific intake boots and piston required.
  • SRF SRF3 Alternator Pulley #30684weight
  • P2 E&O tonneau cover provision in cockpit opening section #30459other
  • P2 Remove effective dates in Table 1 #30468other
  • P2 E&O Maximum Valves Per Cylinder #30560engine
Super Tour Mar 2021 ST21MAR192021-03-191:27.406Lucas Mann · fastest of 4 · top 4 within 5.9s1:26.120Lucian Pancea · fastest of 3 · top 3 within 3.8s136.9Lucian Pancea1:30.019Ryan Mayfield · fastest of 11 · top 5 within 7.0s1:30.399Calvin Stewart · fastest of 11 · top 5 within 5.2s141.6Ryan Mayfield+4.279squal +2.613s105.0%qual 103.0%1:24.364Bailey Monette · fastest of 18 · top 5 within 1.3s1:23.956Bailey Monette · fastest of 18 · top 5 within 0.8s138.9T Vanacore-2.164squal -3.042s97.5%qual 96.5%
34 earlier rule changes on record, in force before Super Tour Mar 2021 (from 2019)10 engine · 6 induction · 5 weight · 3 suspension & brakes · 2 tyres & wheels · 1 aero · 1 cars added · 4 wording · 2 other · F500 Suzuki GSXR600 engine years extended from 2003-2013 to 2003-2019. · FE2 oil cooler rule clarified: Setrab 50-625-7612 or any cooler with max core 13 inches wide by 6.5 inches high allowed. · F5 request to adjust external jetting device cockpit control denied; no rule change made. · F5 driver adjustable carburettor mixture: refer to separate Fastrack letter #28359 for ruling. · F5 cockpit adjustment request response published in Fastrack letter 28359. · F500 Honda CBR600RR, Suzuki GSXR600, Yamaha R6 restrictor reduced to 28mm from 29mm. · FE minimum weight rises to 1270 lbs; FE2 minimum weight rises to 1270 lbs; new spring options added; tire warmers prohibited. · F500 Honda CBR600RR, Suzuki GSXR600, and Yamaha R6 minimum weights increase to 900 lbs.showhide
  • P2 Add a new spec line for a 2-cycle, 3-cylinder engine up to 820cc #30272engine
  • SRF Mandatory identification: #30223engine
  • P2 Balance of Performance adjustments effective 01-01-2021 #29822induction
  • SRF SRF Shocks, Springs and Ride Height. #29688suspension & brakes
  • F5 Request to Update Suzuki Engine Years for F500 #29453engineadded · engineF500 Suzuki GSXR600 engine years extended from 2003-2013 to 2003-2019.
  • FE2 FE/FE2 Oil Cooler #29293wordingwordingFE2 oil cooler rule clarified: Setrab 50-625-7612 or any cooler with max core 13 inches wide by 6.5 inches high allowed.
  • P2 E&O clarification of P2 rear wing requirements #29205aero
  • F5 Request for Cockpit Adjustment of External Jetting Devices #28359wordingunclearF5 request to adjust external jetting device cockpit control denied; no rule change made.
  • F5 Two Stroke Motors (reply to #28359 WDYT) #28816engine
  • F5 Re letter requesting driver adjustable carb mixture #28840wordingunclearF5 driver adjustable carburettor mixture: refer to separate Fastrack letter #28359 for ruling.
  • F5 #28359 WDYT Request for Cockpit Adjustment #28875wordingunclearF5 cockpit adjustment request response published in Fastrack letter 28359.
  • P2 Classify Elan NP01 in P2 Table 1 #28812cars added
  • P2 SCCA Enterprises ESR / P2 engine restrictor testing #28669induction
  • SRF SRF Bump Stop Correction #27019suspension & brakes
  • P2 Add ESR inlet restrictor #27869induction
  • P2 Request for Fly by Wire Rule Wording Change #28247engine
  • F5 Change 600cc restrictor size #27883inductionslower · inductionF500 Honda CBR600RR, Suzuki GSXR600, Yamaha R6 restrictor reduced to 28mm from 29mm.
  • P2 Request for addition of BMW Engine in P2 Engine Table #27821engine
  • SRF SRF Rain / Brake Rule - BoD approved as follows #34958suspension & brakes
  • FE2 FE / FE2 Update Rules #27624weightslower · weightFE minimum weight rises to 1270 lbs; FE2 minimum weight rises to 1270 lbs; new spring options added; tire warmers prohibited.
  • SRF SRF Tire Warmer Rule #27622tyres & wheels
  • SRF SRF / SRF3 Nose Weight Reduction #27706weight
  • SRF SRF / SRF3 Majors & Regional Class Updates #27723other
  • P2 Update Engine Table Line E notes #27414engine
  • F5 Request for Weight Increase for Motorcycle Powered Cars #27214weight +25 lbsslower · weightF500 Honda CBR600RR, Suzuki GSXR600, and Yamaha R6 minimum weights increase to 900 lbs.
  • P2 Update P2 Engine Table spec lines to reflect 3/1/2019 #27254engine
  • P2 E&O Transmissions #27006tyres & wheels
  • SRF SRF Dash Windscreen Kit #27028other
  • P2 Request to restrict all cars #26246weight
  • P2 Change Engine Table Lines B.1 & B.5 #25777engine
  • P2 Change Line A.1 restrictor size #26429induction
  • P2 Request to Allow 1345cc Hayabusa Engines for Spec Line P2 Cars #25595engine
  • P2 Change CN inlet restrictor implementation date #25816induction
  • P2 Clarify Honda K20A-FD2 parts requirement #25950weight

Best is the class's fastest lap in that event's qualifying or race sessions, with the driver who set it, how many cars set a time that session and how close the top five were; a best from fewer than three cars is greyed. With two or more classes, "vs" is the gap of each class's best to the first class's at the same event. "% of P2" is the class's best as a share of P2's best at the same event (100% is level, less is quicker): weather and track condition move every class together, so this compares across years where the raw times do not. It still breaks when P2's own field changes or one session was wet and another dry. Newest event first. The coloured figure under each value is the change from the previous event that has one (green is quicker, red slower). Whole laps only, so events with different sector layouts still compare. Weather and track condition are not accounted for.