BoP Lab / Michelin Raceway Road Atlanta

FF vs SMSE vs SM vs AS pace at Michelin Raceway Road Atlanta

Lap times across years say as much about the weather as the class. % of FF is each class's best lap as a share of FF'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.

Quickest here: FF 1:30.677 Nicholas d'Orlando, Super Tour Mar 2021 race · SM 1:41.798 Danny Steyn, Super Tour Mar 2021 qualifying · AS 1:34.231 Tom Ellis, Super Tour Mar 2021 qualifying

% of FFLap times

FFSMSESMASsolid race · dashed qualifying · slower is lower

FFSMSESMASsolid race · dashed qualifying · each class's best lap as a share of FF's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker

	Event	FF			SMSE					SM					AS
	Event	Qual best	Race best	Trap	Qual best	Race best	Trap	vs FF	% of FF	Qual best	Race best	Trap	vs FF	% of FF	Qual best	Race best	Trap	vs FF	% of FF
	Super Tour Mar 2026 ST26MAR062026-03-06	1:32.437David Ybarra · fastest of 6 · top 5 within 2.6s+0.418s (+0.45%)	1:31.691David Ybarra · fastest of 6 · top 5 within 3.7s-0.370s (-0.40%)	127.3Axel Leroy+5.2 mph (+4.3%)						1:42.324Skyler Cottrell · fastest of 52 · top 5 within 0.4s-0.524s (-0.51%)	1:43.866Brett Kowalski · fastest of 51 · top 5 within 2.4s+1.241s (+1.21%)	112.2James Newell+5.2 mph (+4.9%)	+12.175squal +9.887s	113.3%qual 110.7%	2:28.404Michael Kamalian · only car+52.937s (+55.45%)	1:34.642Michael Kamalian · only car-0.709s (-0.74%)	140.9Michael Kamalian+2.4 mph (+1.7%)	+2.951squal +55.967s	103.2%qual 160.5%
16 rule changes (FF: 2, SM: 3, AS: 11)4 weight · 3 engine · 3 tyres & wheels · 2 induction · 1 removed · 1 wording · 2 othershowhide 2026-03-01 AS Re-Organization of AS Spec lines for 2026 #39887removed 2026-02-01 AS Edelbrock manifold (& timing kit) to Chevy LS Spec Lines Request #39055weight 2026-01-01 AS Restrictor Plate Change for Gen 2 Ford Coyote Engine #39501induction 2026-01-01 FF Formula F Alternative Tire Rule Proposed Clarifications #39281tyres & wheels 2025-12-01 AS 1994 Mustang Spec Line Request #39104engine 2025-11-01 AS Cadillac CTS-V BOP Weight Change #38640weight -50 lbs 2025-07-01 AS RE: Previous Letter 37695 Update #38245weight -75 lbs 2025-06-01 AS Errors and Omissions #38234engine 2025-06-01 SM SMX Data Submission - Penalties #38248other 2025-06-01 SM SMX Penaly Clarification updated language #38337wording 2025-05-01 AS Errors and Omission #38055induction 2025-05-01 AS Request to Add LS1/LS6 Intakes for 5.3L Truck Engine EnO #38197engine 2025-05-01 FF Page 228, FF tire rule 9.1.1.10.e #38251tyres & wheels 2025-05-01 SM Clarify Tire Marking Regs #38005tyres & wheels 2025-04-01 AS Flotek Head Plunge Cut Inconsistencies #37502other 2025-04-01 AS Notes clean up #37693weight
	Super Tour Mar 2025 ST25MAR072025-03-07									1:42.848Sean Noonan · fastest of 35 · top 5 within 0.2s+0.228s (+0.22%)	1:42.625Sean Noonan · fastest of 33 · top 5 within 0.6s-0.370s (-0.36%)	107.0Sean Noonan+1.8 mph (+1.7%)			1:35.467Thomas J Ellis · fastest of 4 · top 4 within 2.7s-8.834s (-8.47%)	1:35.351Thomas J Ellis · fastest of 4 · top 4 within 1.1s-24.914s (-20.72%)	138.6James Jost+8.6 mph (+6.6%)
21 rule changes (FF: 4, SM: 5, AS: 12)6 engine · 3 cars added · 3 weight · 2 tyres & wheels · 1 induction · 1 suspension & brakes · 1 wording · 4 othershowhide 2025-03-01 AS Race memo #37902engine 2025-03-01 FF Formula F Proposal to Invite Older Cars Via a Tire Rule Change #37802tyres & wheels 2025-01-01 AS Increase Coyote Engine Restrictor to 80mm #36177induction 2025-01-01 AS Performance Pack for 2015+ Mustang #36867weight 2025-01-01 AS Gear Ratios #37131engine 2025-01-01 AS ECU specs for LS engine #37208engine 2024-12-01 SM E&O SMX Regs 9.1.7.1.D.5.u-.w #37070other 2024-11-01 FF Change FF/FC Weight with Sequential Gearbox #36651weight 2024-11-01 FF Alternative Oversize Honda Fit Pistons #37064weight 2024-10-01 FF Update to FF EGR Blanking Plate Rule #36633engine 2024-09-01 AS Mustang transmission ratios #36662engine 2024-09-01 SM SMX Camera Rule Correction #36496wording 2024-09-01 SM AIM ECU Protocol #36556engine 2024-09-01 SM OE versus OEM Definitons #36608other 2024-09-01 SM Shifter Bushing #36611suspension & brakes 2024-06-01 AS Request for Classification of 2018-2023 mustang In #35764cars added 2024-05-01 AS 6th gen Camaro limited prep #35733cars added 2024-05-01 AS Chevrolet/Pontiac Camaro & Firebird (82-92) 5.7L V8 LS1 Alum BLK #35825cars added 2024-05-01 AS Full Prep Head #35891other 2024-04-01 AS Restricted Prep Aftermarket Parts Request #35682other 2024-04-01 AS Allowance of 11 #35824tyres & wheels
	Super Tour Mar 2024 ST24MAR082024-03-08	1:32.019Sebastian Mateo Naranjo · fastest of 7 · top 5 within 4.4s+1.019s (+1.12%)	1:32.061Sebastian Mateo Naranjo · fastest of 7 · top 5 within 3.1s+0.819s (+0.90%)	122.0Calum Dunbar-13.6 mph (-10.0%)						1:42.620Danny Steyn · fastest of 47 · top 5 within 0.4s+0.001s (+0.00%)	1:42.995Charles Mactutus · fastest of 46 · top 5 within 0.1s-1.102s (-1.06%)	105.2Tyler Brown-6.5 mph (-5.8%)	+10.934squal +10.601s	111.9%qual 111.5%	1:44.301Phillip Waters · only car+7.955s (+8.26%)	2:00.265Phillip Waters · only car+24.272s (+25.29%)	130.0Phillip Waters-13.7 mph (-9.5%)	+28.204squal +12.282s	130.6%qual 113.3%
9 rule changes (FF: 1, AS: 8)3 cars added · 2 engine · 1 suspension & brakes · 1 tyres & wheels · 2 othershowhide 2024-03-01 AS Request to Classify 1970-1981 Camaro and Firebird in AS #33659cars added 2024-03-01 AS Fuel Cell 12 #34194other 2024-03-01 AS Please Classify the 6th Gen Into AS. #35448cars added 2024-03-01 AS spec lines #35713cars added 2024-01-01 FF Honda Fit Oversize Piston Rings #35305other 2023-08-01 AS Crate Motor Part Numbers #32944engine 2023-08-01 AS Request wheel size change #33007tyres & wheels 2023-08-01 AS Alternative Upper Front Control Arms for Dodge Challenger #33352engine 2023-08-01 AS Front Brake Caliper Adapters for Dodge Challenger #33353suspension & brakes
	Super Tour Mar 2023 ST23MAR102023-03-10	1:31.000Porter Aiken · fastest of 17 · top 5 within 1.5s-0.840s (-0.91%)	1:31.242John Robinson II · fastest of 17 · top 5 within 9.0s-7.952s (-8.02%)	135.6Robert Albani+5.7 mph (+4.4%)						1:42.619Charles Mactutus · fastest of 48 · top 5 within 0.7s-0.195s (-0.19%)	1:44.097Brian Henderson · fastest of 47 · top 5 within 0.5s+2.233s (+2.19%)	111.7Peter Ensor-1.7 mph (-1.5%)	+12.855squal +11.619s	114.1%qual 112.8%
6 rule changes (FF: 1, SM: 2, AS: 3)2 weight · 1 engine · 1 suspension & brakes · 1 wording · 1 othershowhide 2023-03-01 FF Add Fast Forward Part Numbers for Honda Fit Engine #33752engine 2023-01-01 SM BOP for NB1 and NB2 #32309weight 2022-09-01 AS Request to add Hoosier W2 #33031other 2022-09-01 AS correction of Dodge Challenger specification line #33151wording 2022-07-01 AS Request CTS-V Spec Line Error Correction #30242weight 2022-04-01 SM Update GCR Section 9.1.7.3.A.1. #32217suspension & brakes
	Super Tour Mar 2022 ST22MAR122022-03-12	1:31.840Joe Colasacco · fastest of 7 · top 5 within 1.8s+0.521s (+0.57%)	1:39.194Joe Colasacco · fastest of 7 · top 5 within 4.7s+8.517s (+9.39%)	129.9David Adorno-3.2 mph (-2.4%)						1:42.814Connor Zilisch · fastest of 60 · top 5 within 0.3s+1.016s (+1.00%)	1:41.864Travis Wiley · fastest of 60 · top 5 within 0.7s-0.700s (-0.68%)	113.5Junior Brock-0.1 mph (-0.1%)	+2.670squal +10.974s	102.7%qual 111.9%	1:36.346Gregory Eaton · fastest of 3 · top 3 within 7.0s+2.115s (+2.24%)	1:35.993Gregory Eaton · fastest of 2+1.259s (+1.33%)	143.6Gregory Eaton-19.3 mph (-11.9%)	-3.201squal +4.506s	96.8%qual 104.9%
13 rule changes (FF: 1, SM: 1, AS: 11)4 weight · 1 cars added · 1 engine · 1 suspension & brakes · 3 wording · 3 othershowhide 2022-01-01 AS Proposed Revisions to SCCA GCR 2021 Appendix M, Part 3 #30295other 2022-01-01 AS specification line consolidation and correction #31846wording 2022-01-01 AS correction of SMG specification line #31847suspension & brakes 2022-01-01 AS Alternate cylinder heads for full prep engine builds - Evaluation #31851engine 2021-10-01 AS Request for adjustable Front Upper Control Arms on 4th Gen F-Body #30457other 2021-10-01 AS Request Pontiac GTO tire size change #30881weight 2021-06-01 AS Request CTS-V Spec Line Error Correction #30242weight 2021-06-01 AS Request to consolidate SN95 Mustang '94-'04 Mustang spec lines #30428cars added 2021-06-01 AS American Sedan Transmission Rule Change Request #30595weight 2021-06-01 AS Correction to specifications inadvertently deleted #30691wording 2021-06-01 AS weight adjustments #30700weight +50 lbs 2021-04-01 FF Kent crankshaft clarification #30426wording 2021-04-01 SM Updates - Obsolete Parts & BOP Parts #30438other
	Super Tour Mar 2021 ST21MAR192021-03-19	1:31.319Nicholas d'Orlando · fastest of 11 · top 5 within 1.6s	1:30.677Nicholas d'Orlando · fastest of 11 · top 5 within 0.9s	133.1Cliff Johnson						1:41.798Danny Steyn · fastest of 68 · top 5 within 0.7s	1:42.564Preston Pardus · fastest of 67 · top 5 within 0.2s	113.6Marc Cefalo	+11.887squal +10.479s	113.1%qual 111.5%	1:34.231Tom Ellis · fastest of 7 · top 5 within 7.4s	1:34.734Tom Ellis · fastest of 8 · top 5 within 5.6s	163.0Tom Ellis	+4.057squal +2.912s	104.5%qual 103.2%
44 earlier rule changes on record, in force before Super Tour Mar 2021 (from 2019)15 engine · 7 weight · 5 cars added · 4 suspension & brakes · 4 tyres & wheels · 3 induction · 1 aero · 2 wording · 3 othershowhide 2021-03-01 AS AS Mustang LP 4.6 3V Classification Transmission Request #29886weight 2021-03-01 AS Request CF driveshaft on CTS-V for durability improvement #30117engine 2021-03-01 AS Adjustment to model years of 5th generation RP Camaro #30348engine 2021-01-01 AS Request for 2015 -2017 Ford Mustang Spec Line #29514cars added 2021-01-01 AS Request Trunk lid / Rear Hatch clarification #29591wording 2021-01-01 AS Common Weight for CTS-V Tire #29759weight 2021-01-01 AS Correction to specifications inadvertently deleted #30041cars added 2020-12-01 AS Request Additional Engine Options for Dodge Challenger Spec Line #29543engine 2020-12-01 AS Rule simplification spec line communization #29824weight 2020-12-01 FF Allow Optional Coolant Bleed Line to Correct a Known Problem #29673engine 2020-12-01 FF Clarification regarding Honda LC1 ECU implementation date #29684engine 2020-10-01 SM Radiator E&O Clarifications #29294engine 2020-08-01 AS Dodge Challenger AS Spec Line Clarification #28698induction 2020-08-01 AS Dodge Challenger AS Spec Line Clarification #2 #28699aero 2020-08-01 FF Clarification regarding Honda LC1 ECU implementation #29135engine 2020-08-01 SM Modifications to prevent failures of Rear Brake Caliper Pin #28953suspension & brakes 2020-07-01 AS Support for R-Type Specification Tires #27450tyres & wheels 2020-07-01 AS Spec Tire Request #27519tyres & wheels 2020-07-01 AS Restrictor Plate Change for RP 2011+ Mustang with Coyote Engine #27675induction 2020-07-01 AS 2005-2009 Restricted Prep 4.6 3V #27908engine 2020-07-01 AS Request for 2005-2009 Restricted Prep 4.6 3V Parts #27909engine 2020-07-01 AS Request for Full Preparation Classification for 2010-2014 Camaro #28030other 2020-07-01 AS Cylinder Heads #28696engine 2020-07-01 AS Request for Max Rotor Diameter Change #28748suspension & brakes 2020-07-01 AS Request increase rotor diameter #28797other 2020-05-01 AS weight adjustments for 2020 season #28785weight -50 lbs 2020-04-01 FF E&O FF Kent Engine alternator language #28204engine 2020-03-01 FF Honda Racing HPD low cost ECU proposal #27563engine 2020-03-01 FF Update rain tire designation #28443tyres & wheels 2020-02-01 AS Rear Trailing Arms #28007suspension & brakes 2020-02-01 AS Weight reduction for cars running iron heads #28010weight 2020-02-01 AS 05-10 Mustang with HR cam classification #28226cars added 2020-02-01 AS 10-15 Camaro Full Prep classification #28227cars added 2019-10-01 AS Request to add SMG to 9.1.6.B.1 AS Intent #27140other 2019-08-01 AS Request Ride Height Clarification #26598suspension & brakes 2019-05-31 AS Request to Revert to 2017 Weights #25885weight 2019-03-01 SM Request to allow aftermarket fuel filters. #26370wording 2019-02-01 AS SMG Mustang eligibility in American sedan #26224cars added 2019-02-01 FF Request for Oversize Honda Fit Pistons #25810engine 2019-02-01 FF Heat Shield - Fit Intake #26102induction 2019-02-01 FF Request catch cans/tanks clarification #26158engine 2019-02-01 SM Request 99-00 replacement Wire harnesses #25602engine 2019-02-01 SM Organize and Clarify 9.1.7.C.1.o. #25913weight 2019-02-01 SM Strike Tire Tread Language #26123tyres & wheels

About this data

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 FF" is the class's best as a share of FF'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 FF'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.