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BoP Lab / Classes / SSM

SSM vs ITC vs SPU 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.

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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

1:251:301:351:401:451:504 rule changes between Majors May 2016 and SARRC 20204 ▾SSM race best at Majors Apr 2016: 1:29.237 (Kevin Kopp)SSM qualifying best at Majors Apr 2016: 1:31.569 (Alan Olson)ITC race best at Majors May 2016: 1:23.496 (Edward Nicholson)ITC qualifying best at Majors May 2016: 1:26.060 (Edward Nicholson)SPU race best at SARRC 2020: 1:43.713 (Ricky Sanders)SPU qualifying best at SARRC 2020: 1:47.450 (Randy Hutchings)Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SSMITCSPUsolid race · dashed qualifying · slower is lower
100%4 rule changes between Majors May 2016 and SARRC 20204 ▾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)Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SSMITCSPUsolid 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
EventSSMITCSPU
Qual best Race best Trap Qual best Race best Trap vs SSM % of SSM Qual best Race best Trap vs SSM % of SSM 
Michelin Raceway Road Atlanta SARRC 20202020-07-251:47.450Randy Hutchings · only car1:43.713Ricky Sanders · fastest of 2119.9Ricky Sanders
4 rule changes (ITC: 4)1 cars added · 1 induction · 1 tyres & wheels · 1 weightshowhide
  • ITC Cleanup 4.f Traction control #28609tyres & wheels
  • ITC Request clarification 1999 Ford Escort ZX2 S?R #26966weight -45 lbs
  • ITC Request clarification on 9.1.3 D1.A.2 #26237induction
  • ITC Request to Dual-Class Honda Fit and B-Spec Cars Into ITC and #25347cars added
Circuit of St. Louis (formerly Gateway Motorsports Majors May 20162016-05-141:26.060Edward Nicholson · only car1:23.496Edward Nicholson · only car
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

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
Summit Point Raceway1100.0%100.0%Majors Apr 2016100.0%Majors Apr 2016
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.