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BoP Lab / Classes / SPU

SPU vs TTA vs BS pace at every track

Lap times across years say as much about the weather as the class. % of SPU is each class's best lap as a share of SPU'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
1:401:502:002:10SPU race best at SARRC 2020: 1:43.713 (Ricky Sanders)SPU qualifying best at SARRC 2020: 1:47.450 (Randy Hutchings)TTA race best at Majors @ Pacific Raceway: 1:46.900 (Darren Glaser)TTA qualifying best at Majors @ Pacific Raceway: 1:45.779 (Darren Glaser)BS race best at Majors @ Thunderhill: 2:15.714 (Kyle Keenan)BS race best at Voodoo Quartre 2017: 2:06.427 (John Phillips)BS qualifying best at Majors @ Thunderhill: 2:15.069 (Kyle Keenan)BS qualifying best at Voodoo Quartre 2017: 2:06.994 (John Phillips)Thunderhill Raceway Park · Majors @ ThunderhillMajors @ Thunderhill2016Pacific Raceways · Majors @ Pacific RacewayMajors @ Pacific Raceway2016NOLA Motorsports Park · Voodoo Quartre 2017Voodoo Quartre2017Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SPUTTABSsolid race · dashed qualifying · slower is lower
100%SPU race best at SARRC 2020: 100.0% of SPU's (Ricky Sanders)SPU qualifying best at SARRC 2020: 100.0% of SPU's (Randy Hutchings)Thunderhill Raceway Park · Majors @ ThunderhillMajors @ Thunderhill2016Pacific Raceways · Majors @ Pacific RacewayMajors @ Pacific Raceway2016NOLA Motorsports Park · Voodoo Quartre 2017Voodoo Quartre2017Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
SPUTTABSsolid race · dashed qualifying · each class's best lap as a share of SPU's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker
EventSPUTTABS
Qual best Race best Trap Qual best Race best Trap vs SPU % of SPU Qual best Race best Trap vs SPU % of SPU 
Michelin Raceway Road Atlanta SARRC 20202020-07-251:47.450Randy Hutchings · only car1:43.713Ricky Sanders · fastest of 2119.9Ricky Sanders
No rule changes on record between these events
NOLA Motorsports Park Voodoo Quartre 20172017-03-032:06.994John Phillips · fastest of 6 · top 5 within 9.4s2:06.427John Phillips · fastest of 5 · top 5 within 6.9s
No rule changes on record between these events
Pacific Raceways Majors @ Pacific Raceway2016-05-281:45.779Darren Glaser · only car1:46.900Darren Glaser · only car
No rule changes on record between these events
Thunderhill Raceway Park Majors @ Thunderhill2016-04-082:15.069Kyle Keenan · fastest of 22:15.714Kyle Keenan · fastest of 3 · top 3 within 4.8s

By track

TrackEvents Typical % of SPU Best Latest 
Michelin Raceway Road Atlanta1100.0%100.0%SARRC 2020100.0%SARRC 2020
NOLA Motorsports Park10 of 1 with SPU
Pacific Raceways10 of 1 with SPU
Thunderhill Raceway Park10 of 1 with SPU
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 SPU'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.