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BoP Lab / Classes / SSM

SSM vs SMSE vs BSpec vs SUN pace at every track

Lap times across years say as much about the weather as the class. % of SSM is each class's best lap as a share of SSM'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)
1DASB SpecB-specB-SpecBSBSpcvsBSpec×C6CFCFCCTACTBCTCCTDEPEPxF5F6F500F1000FAFBFCFEFE 2FE2FFFMFPFRIFVFXGT-1GT-2GT-XGT1GT2GT3GT3UGTAGTLGTXHPIT7ITAITBITCITEITE-OITRITSPP1P2PXS7SMSM vsSMSE×SMSE-TSMXSPUSRFSRF 3SRF3SSM×STLSTUvsSUN×T1T2T3T4TTAUnknownHide inactive classes
Reference · what % is measured against
Tracks · untick to narrow

Closest to the field: SSM 100.0% of SSM Kevin Kopp, Summit Point Raceway Majors Apr 2016 race

1:201:402:002:20SSM race best at Majors Apr 2016: 1:29.237 (Kevin Kopp)SSM qualifying best at Majors Apr 2016: 1:31.569 (Alan Olson)SMSE race best at SARRC 2020: 1:48.433 (Frederick Baker)SMSE qualifying best at SARRC 2020: 1:47.184 (Frederick Baker)BSpec race best at Majors Apr 2016: 2:28.161 (Felix Borodaty)BSpec race best at @Mid Ohio Sports Car Course 2016: 1:45.784 (Ted Sahley)BSpec qualifying best at Majors Apr 2016: 2:27.873 (Felix Borodaty)BSpec qualifying best at Majors May 2016: 1:16.860 (David Daughtery)BSpec qualifying best at @Mid Ohio Sports Car Course 2016: 1:48.451 (John Heinricy)Virginia International Raceway · Majors Apr 2016Majors Apr2016Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Mid-Ohio Sports Car Course · @Mid Ohio Sports Car Course 2016@Mid Ohio Sports Car Course2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SSMSMSEBSpecSUNsolid race · dashed qualifying · slower is lower
100%SSM race best at Majors Apr 2016: 100.0% of SSM's (Kevin Kopp)SSM qualifying best at Majors Apr 2016: 100.0% of SSM's (Alan Olson)Virginia International Raceway · Majors Apr 2016Majors Apr2016Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Mid-Ohio Sports Car Course · @Mid Ohio Sports Car Course 2016@Mid Ohio Sports Car Course2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SSMSMSEBSpecSUNsolid race · dashed qualifying · each class's best lap as a share of SSM's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker
EventSSMSMSEBSpecSUN
Qual best Race best Trap Qual best Race best Trap vs SSM % of SSM Qual best Race best Trap vs SSM % of SSM Qual best Race best Trap vs SSM % of SSM 
Michelin Raceway Road Atlanta SARRC 20202020-07-251:47.184Frederick Baker · fastest of 4 · top 4 within 4.9s1:48.433Frederick Baker · fastest of 4 · top 4 within 6.3s107.4Ken Steagall
No rule changes on record between these events
Mid-Ohio Sports Car Course @Mid Ohio Sports Car Course 20162016-06-031:48.451John Heinricy · fastest of 8 · top 5 within 1.1s1:45.784Ted Sahley · fastest of 9 · top 5 within 3.1s
No rule changes on record between these events
Circuit of St. Louis (formerly Gateway Motorsports Majors May 20162016-05-141:16.860David Daughtery · fastest of 2
No rule changes on record between these events
Summit Point Raceway Majors Apr 20162016-04-291:31.569Alan Olson · fastest of 26 · top 5 within 1.9s1:29.237Kevin Kopp · fastest of 27 · top 5 within 0.3s
No rule changes on record between these events
Virginia International Raceway Majors Apr 20162016-04-152:27.873Felix Borodaty · fastest of 3 · top 3 within 6.6s2:28.161Felix Borodaty · fastest of 3 · top 3 within 8.0s

By track

TrackEvents Typical % of SSM Best Latest 
Circuit of St. Louis (formerly Gateway Motorsports10 of 1 with SSM
Michelin Raceway Road Atlanta10 of 1 with SSM
Mid-Ohio Sports Car Course10 of 1 with SSM
Summit Point Raceway1100.0%100.0%Majors Apr 2016100.0%Majors Apr 2016
Virginia International Raceway10 of 1 with SSM
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 SSM'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.