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BoP Lab / Buttonwillow Raceway Park

FB vs F6 vs FM vs SRF pace at Buttonwillow Raceway Park

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
ASB SpecB-SpecBSpcEPF5vsF6×F500FAFB×FCFEFE 2FE2FFvsFM×FPFVFXGT1GT2GT3GT3UGTLGTXHPPP1P2PXSMSMXvsSRF×SRF3STLSTUT1T2T3T4
Reference class · the others' laps as a share of this one's at the same event, so years compare despite weather; + a class above to measure against it

Quickest here: FB 1:38.870 Gary Hickman, Super Tour Apr 2018 race · FM 1:45.954 Mike Anderson, Super Tour Apr 2018 race · SRF 1:44.060 Vince Balch, Super Tour Apr 2017 qualifying

1:401:451:501:552:00FB race best at Super Tour Apr 2017: 1:40.111 (Gary Hickman)FB race best at Super Tour Apr 2018: 1:38.870 (Gary Hickman)FB qualifying best at Super Tour Apr 2017: 1:42.272 (John LaBrie)FB qualifying best at Super Tour Apr 2018: 1:39.142 (Gary Hickman)FM race best at Super Tour Apr 2017: 1:46.271 (Mike Anderson)FM race best at Super Tour Apr 2018: 1:45.954 (Mike Anderson)FM race best at Super Tour Apr 2019: 1:49.409 (Mike Anderson)FM qualifying best at Super Tour Apr 2017: 1:45.956 (Mike Anderson)FM qualifying best at Super Tour Apr 2018: 1:46.323 (Mike Anderson)FM qualifying best at Super Tour Apr 2019: 1:49.608 (Mike Anderson)SRF race best at Super Tour Apr 2017: 2:01.122 (Mike Miserendino)SRF qualifying best at Super Tour Apr 2017: 1:44.060 (Vince Balch)Super Tour Apr 20172017Super Tour Apr 20182018Super Tour Apr 20192019
FBF6FMSRFsolid race · dashed qualifying · slower is lower
98%100%102%104%106%108%110%112%114%116%118%120%122%FB race best at Super Tour Apr 2017: 100.0% of FB's (Gary Hickman)FB race best at Super Tour Apr 2018: 100.0% of FB's (Gary Hickman)FB qualifying best at Super Tour Apr 2017: 100.0% of FB's (John LaBrie)FB qualifying best at Super Tour Apr 2018: 100.0% of FB's (Gary Hickman)FM race best at Super Tour Apr 2017: 106.2% of FB's (Mike Anderson)FM race best at Super Tour Apr 2018: 107.2% of FB's (Mike Anderson)FM qualifying best at Super Tour Apr 2017: 103.6% of FB's (Mike Anderson)FM qualifying best at Super Tour Apr 2018: 107.2% of FB's (Mike Anderson)SRF race best at Super Tour Apr 2017: 121.0% of FB's (Mike Miserendino)SRF qualifying best at Super Tour Apr 2017: 101.7% of FB's (Vince Balch)Super Tour Apr 20172017Super Tour Apr 20182018Super Tour Apr 20192019
FBF6FMSRFsolid race · dashed qualifying · each class's best lap as a share of FB's at the same event (the reference class, changeable above); 100% is level, higher is quicker
EventFBF6FMSRF
Qual bestRace bestTrapQual bestRace bestTrapvs FB% of FBQual bestRace bestTrapvs FB% of FBQual bestRace bestTrapvs FB% of FB
Super Tour Apr 2019 ST19APR262019-04-261:49.608Mike Anderson · fastest of 3 · top 3 within 5.6s+3.285s (+3.09%)1:49.409Mike Anderson · fastest of 3 · top 3 within 4.9s+3.455s (+3.26%)121.2Mike Anderson
No rule changes on record between these events
Super Tour Apr 2018 BUTTRA182018-04-271:39.142Gary Hickman · fastest of 2-3.130s (-3.06%)1:38.870Gary Hickman · fastest of 2-1.241s (-1.24%)1:46.323Mike Anderson · fastest of 9 · top 5 within 2.1s+0.367s (+0.35%)1:45.954Mike Anderson · fastest of 9 · top 5 within 3.3s-0.317s (-0.30%)+7.084squal +7.181s107.2%qual 107.2%
No rule changes on record between these events
Super Tour Apr 2017 BUTTRA172017-04-281:42.272John LaBrie · fastest of 21:40.111Gary Hickman · fastest of 21:45.956Mike Anderson · fastest of 8 · top 5 within 2.0s1:46.271Mike Anderson · fastest of 10 · top 5 within 2.1s+6.160squal +3.684s106.2%qual 103.6%1:44.060Vince Balch · fastest of 8 · top 5 within 18.6s2:01.122Mike Miserendino · fastest of 7 · top 5 within 1.8s+21.011squal +1.788s121.0%qual 101.7%

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