BoP Lab / Classes / FV

FV vs SRF vs FM vs SMX 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: remove one to add another)

ASB-SpecEPFAFCFE2FFvsFM ×FPFV×FXGT1GT2GTXHPPP2SMvsSMX ×vsSRF ×SRF3STLSTUT1T2T3T4Show 49 inactive classes

Series Runoffs Super Tour Both

Reference · what % is measured against

Tracks · untick to narrow Auto Club Speedway Barber Motorsports Park Blackhawk Farms Raceway Buttonwillow Raceway Park Circuit of St. Louis (formerly Gateway Motorsports Circuit of the Americas Daytona International Speedway Grattan Raceway Hallett Motor Racing Circuit Homestead-Miami Speedway Indianapolis Motor Speedway Laguna Seca Michelin Raceway Road Atlanta Mid-Ohio Sports Car Course New Jersey Motorsports Park NOLA Motorsports Park Pacific Raceways Pittsburgh International Race Complex Portland International Raceway Pueblo Motorsports Park Road America Sebring International Raceway Sonoma Raceway Summit Point Raceway Thunderhill Raceway Park Virginia International Raceway Watkins Glen International Willow Springs Raceway World Wide Technology Raceway

Closest to the field: FV 100.0% of FV Andrew Whitston, Daytona International Speedway Runoffs 2015 race · SRF 95.1% of FV Cliff White, Daytona International Speedway Runoffs 2015 qualifying · FM 83.5% of FV Joseph Burton-Harris, Daytona International Speedway Runoffs 2015 qualifying · SMX 94.0% of FV Skyler Cottrell, Road America Runoffs 2026 qualifying

% of FVLap times

FVSRFFMSMXsolid race · dashed qualifying · slower is lower

FVSRFFMSMXsolid 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

	Event	FV			SRF					FM					SMX
	Event	Qual best	Race best	Trap	Qual best	Race best	Trap	vs FV	% of FV	Qual best	Race best	Trap	vs FV	% of FV	Qual best	Race best	Trap	vs FV	% of FV
	Road America Runoffs 20262026-09-28	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%)											2:36.472Skyler Cottrell · fastest of 21 · top 5 within 0.4s+0.240s (+0.15%)	2:36.414Cam Ebben · fastest of 21 · top 5 within 1.1s-0.677s (-0.43%)	128.4Christian Hoagland-0.6 mph (-0.5%)	-8.858squal -10.064s	94.6%qual 94.0%
5 rule changes (SRF: 3, SMX: 2)1 suspension & brakes · 1 wording · 3 othershowhide 2026-09-01 SRF GCR Rain/Brake Light Correction #40579suspension & brakes 2026-07-01 SMX Rear Toe Link #40271other 2026-04-01 SMX Part Number Change Request #39914wording 2026-03-01 SRF SRF3 Spark Plugs #39899other 2025-10-01 SRF Add HD Oil Cooler #38979other
	Road America Runoffs 20252025-09-29	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%)											2:36.232Cam Ebben · fastest of 20 · top 5 within 0.2s+0.581s (+0.37%)	2:37.091Michael Tinis · fastest of 19 · top 5 within 0.3s+0.813s (+0.52%)	129.1Camden Gruber-0.4 mph (-0.3%)	-9.645squal -7.869s	94.2%qual 95.2%
7 rule changes (SRF: 2, SMX: 5)1 tyres & wheels · 1 wording · 5 othershowhide 2025-06-01 SMX SMX Data Submission - Penalties #38248other 2025-06-01 SMX SMX Penaly Clarification updated language #38337wording 2025-05-01 SMX Clarify Tire Marking Regs #38004tyres & wheels 2025-05-01 SMX SMX Data Submission Timeframe #38039other 2025-04-01 SRF Driver Safety & Comfort #37966other 2025-04-01 SRF Update SADEV transmission specs #37992other 2024-12-01 SMX E&O SMX Regs 9.1.7.1.D.5.u-.w #37070other
	Road America Runoffs 20242024-10-01	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%)											2:35.651Ethan Lampe · fastest of 23 · top 5 within 0.7s	2:36.278Ethan Jacobs · fastest of 22 · top 5 within 0.7s	129.5Michael Borden	-8.556squal -6.992s	94.8%qual 95.7%
16 rule changes (FV: 2, SRF: 10, SMX: 4)5 suspension & brakes · 4 tyres & wheels · 1 engine · 1 weight · 2 wording · 3 othershowhide 2024-10-01 FV Disc Brakes #36822suspension & brakes 2024-10-01 SRF Update SRF3 Air Filter Rule #36681other 2024-10-01 SRF Update SRF Brake Rotor Thickness #36687suspension & brakes 2024-10-01 SRF Hoosier Tire Decal Placement #36739tyres & wheels 2024-09-01 SMX SMX Camera Rule Correction #36496wording 2024-09-01 SMX AIM ECU Protocol #36556engine 2024-09-01 SMX OE versus OEM Definitons #36608other 2024-09-01 SMX Shifter Bushing #36611suspension & brakes 2024-09-01 SRF Protest Fee Clarification #36540wording 2024-09-01 SRF Update to Letter 36619 with new Hoosier Contingency Decal Info #36624tyres & wheels 2024-08-01 SRF Update Rain Tire Rule and Hoosier Decal Placement #36436tyres & wheels 2024-01-01 SRF Update SRF Rain / Brake Rule #34706suspension & brakes 2024-01-01 SRF Update SRF Brake Light Rule v1 #34853suspension & brakes 2024-01-01 SRF SRF / SRF3 Rule Updates #35268weight 2023-12-01 FV FV Wheel Bearing Clarification #35150tyres & wheels 2023-10-01 SRF SRF Radiator Rule Update #34805other
	Virginia International Raceway Runoffs 20232023-09-23	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%)											2:11.435Nathan Nicholson · fastest of 18 · top 5 within 0.6s	2:12.616Noah Harmon · fastest of 16 · top 5 within 0.1s	127.8Noah Harmon	-3.995squal -4.204s	97.1%qual 96.9%
3 rule changes (SRF: 3)2 tyres & wheels · 1 suspension & brakesshowhide 2023-06-01 SRF Hoosier SRF Wet Front Tire Rule Update #34189tyres & wheels 2023-05-01 SRF Update SRF Front W2 Rain Tire Part Number #34118tyres & wheels 2023-03-01 SRF Update SRF Brake Rule #33469suspension & brakes
	Virginia International Raceway Runoffs 20222022-09-24	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%)
7 rule changes (FV: 4, SRF: 3)5 weight · 1 suspension & brakes · 1 tyres & wheelsshowhide 2022-06-01 SRF SRF Tire Rule Update #32614tyres & wheels 2022-06-01 SRF Brake, seal, and air filter clarifications #32670suspension & brakes 2022-03-01 FV Connecting Rod Update Request for 9.1.1.C Formula Vee (FV) 5.C.6 #32160weight 2022-03-01 FV E&O clarification of connecting rod center-to-center length #32183weight 2022-01-01 FV Update direct replacement connecting rod information #31843weight 2021-12-01 FV Formula V Connecting Rod Replacement #31448weight 2021-12-01 SRF Three Updates to SRF Rules #31523weight
	Indianapolis Motor Speedway Runoffs 20212021-09-25	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
6 rule changes (SRF: 6)2 engine · 1 suspension & brakes · 1 tyres & wheels · 1 weight · 1 othershowhide 2021-08-01 SRF SRF Wet Tires #30849tyres & wheels 2021-08-01 SRF SADEV-SRF3 Transmission #30926other 2021-08-01 SRF SRF Update Maintenance, Repairs and Seals #30961engine 2021-06-01 SRF SRF3 Alternator Pulley #30684weight 2021-03-01 SRF Mandatory identification: #30223engine 2020-12-01 SRF SRF Shocks, Springs and Ride Height. #29688suspension & brakes
	Road America Runoffs 20202020-10-02	2:43.994Hunter Phelps-Barron · fastest of 28 · top 5 within 0.6s	2:45.816Alex Scaler · fastest of 24 · top 5 within 1.5s	117.1Hunter Phelps-Barron
11 rule changes (FV: 6, SRF: 5)7 tyres & wheels · 2 suspension & brakes · 1 weight · 1 othershowhide 2020-07-01 FV Support for Recommended Item - 4 bolt wheels in FV #29084tyres & wheels 2020-07-01 FV Support for 4-bolt pattern wheels #28955 #29118tyres & wheels 2020-05-01 SRF SRF Bump Stop Correction #27019suspension & brakes 2020-03-01 FV Update rain tire designation #28444tyres & wheels 2020-01-01 FV FV Allow non-spec tire in Regional competition #26284tyres & wheels 2020-01-01 FV Request to Allow Rear Tires on the Front of Formula Vee #26537tyres & wheels 202-01-01 SRF SRF Rain / Brake Rule - BoD approved as follows #34958suspension & brakes 2019-12-01 FV Clarification on Wheel Bolt Pattern #27603tyres & wheels 2019-12-01 SRF SRF Tire Warmer Rule #27622tyres & wheels 2019-12-01 SRF SRF / SRF3 Nose Weight Reduction #27706weight 2019-12-01 SRF SRF / SRF3 Majors & Regional Class Updates #27723other
	Virginia International Raceway Runoffs 20192019-10-05	2:15.712Andrew Whitston · fastest of 26 · top 5 within 1.5s	2:18.289Zachary Whitston · fastest of 19 · top 5 within 0.4s	114.8Roger Siebenaler						1:55.124Bryce Cornet · fastest of 8 · top 5 within 2.3s	2:15.816Bryce Cornet · fastest of 8 · top 5 within 4.9s	135.7Bryce Cornet	-2.473squal -20.588s	98.2%qual 84.8%
7 rule changes (FV: 6, SRF: 1)1 induction · 1 suspension & brakes · 1 tyres & wheels · 4 othershowhide 2019-10-01 FV Allowed Modifications E&O #27398other 2019-08-31 FV E&O Wheels #27230tyres & wheels 2019-07-01 SRF SRF Dash Windscreen Kit #27028other 2019-05-31 FV Exhaust termination rule E&O #26702other 2019-05-01 FV E&O Dimensions #26674other 2019-04-01 FV Request to clarify Disc Brake rules bearing retainer & weights #26262suspension & brakes 2019-02-01 FV FV Intake Manifold Clarification #26008induction
	Sonoma Raceway Runoffs 20182018-10-10	1:52.637Skip Streets · fastest of 29 · top 5 within 1.6s	1:53.639Alex Scaler · fastest of 28 · top 5 within 0.4s	106.3Skip Streets						1:37.598Bryce Cornet · fastest of 13 · top 5 within 0.9s	1:37.909Bryce Cornet · fastest of 12 · top 5 within 1.3s	124.1Melvin David Kemper Jr	-15.730squal -15.039s	86.2%qual 86.6%
No rule changes on record between these events
	Indianapolis Motor Speedway Runoffs 20172017-09-25	1:55.759Michael Varacins · fastest of 39 · top 5 within 1.0s	1:55.923Michael Varacins · fastest of 32 · top 5 within 1.3s		1:51.573Thomas Kirchman · fastest of 50 · top 5 within 2.8s	1:53.769Todd Harris · fastest of 45 · top 5 within 0.2s		-2.154squal -4.186s	98.1%qual 96.4%	1:41.231Jarret Voorhies · fastest of 16 · top 5 within 1.7s	1:41.146Jarret Voorhies · fastest of 16 · top 5 within 1.2s		-14.777squal -14.528s	87.3%qual 87.4%
No rule changes on record between these events
	Mid-Ohio Sports Car Course Runoffs 20162016-09-19	1:37.942Alex Scaler · fastest of 41 · top 5 within 0.3s	1:38.066Flinn Lazier · fastest of 38 · top 5 within 0.7s		1:37.344Mike Miserendino · fastest of 27 · top 5 within 0.8s	1:37.621Todd Harris · fastest of 27 · top 5 within 0.6s		-0.445squal -0.598s	99.5%qual 99.4%	1:26.043Jacob Loomis · fastest of 8 · top 5 within 3.1s	1:27.922Jacob Loomis · fastest of 8 · top 5 within 2.7s		-10.144squal -11.899s	89.7%qual 87.9%
No rule changes on record between these events
	Daytona International Speedway Runoffs 20152015-09-21	2:21.167Roger Siebenaler · fastest of 31 · top 5 within 0.8s	2:21.142Andrew Whitston · fastest of 30 · top 5 within 1.1s		2:14.306Cliff White · fastest of 39 · top 5 within 1.2s	2:16.700Cliff White · fastest of 38 · top 5 within 0.5s		-4.442squal -6.861s	96.9%qual 95.1%	1:57.804Joseph Burton-Harris · fastest of 10 · top 5 within 2.3s	1:58.029Joseph Burton-Harris · fastest of 10 · top 5 within 1.7s		-23.113squal -23.363s	83.6%qual 83.5%

By track

Track	Events	Typical % of FV	Best	Latest
Road America	4	100.0%	100.0%Runoffs 2020	100.0%Runoffs 2026
Virginia International Raceway	3	100.0%	100.0%Runoffs 2019	100.0%Runoffs 2023
Indianapolis Motor Speedway	2	100.0%	100.0%Runoffs 2017	100.0%Runoffs 2021
Daytona International Speedway	1	100.0%	100.0%Runoffs 2015	100.0%Runoffs 2015
Mid-Ohio Sports Car Course	1	100.0%	100.0%Runoffs 2016	100.0%Runoffs 2016
Sonoma Raceway	1	100.0%	100.0%Runoffs 2018	100.0%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.