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IT7 pace at every track

Lap times across years say as much about the weather as the class. % of the field is each class's best lap as a share of the field's on the same day (every class that ran that day but the ones shown, each scaled by its usual pace against SM and averaged, with each shown class's own track character taken out, so one figure reads the same across years and tracks), 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)
Reference · what % is measured against, 2 eventsall classes that day, as if at an average track
Tracks · untick to narrow
1:101:201:301:401:503 rule changes between Majors May 2016 and SARRC 20203 ▾IT7 race best at Majors May 2016: 1:18.431 (Bill Meyer)IT7 race best at SARRC 2020: 1:53.468 (Alan Faver)IT7 qualifying best at Majors May 2016: 1:13.416 (Steven Burkett)IT7 qualifying best at SARRC 2020: 1:50.830 (Alan Faver)Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
IT7solid race · dashed qualifying · slower is lowerCircuit of St. Louis (formerly Gateway MotorsportsMichelin Raceway Road Atlanta
100%101%102%103%104%105%106%107%108%109%3 rule changes between Majors May 2016 and SARRC 20203 ▾IT7 race best at Majors May 2016: 108.4% of Field's (Bill Meyer)IT7 race best at SARRC 2020: 108.8% of Field's (Alan Faver)IT7 qualifying best at Majors May 2016: 100.8% of Field's (Steven Burkett)IT7 qualifying best at SARRC 2020: 107.5% of Field's (Alan Faver)Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
IT7solid race · dashed qualifying · each class's best lap as a share of the field's at the same event (the field index, changeable above); 100% is level, less is quicker, so up the chart is quickerCircuit of St. Louis (formerly Gateway MotorsportsMichelin Raceway Road Atlanta
EventIT7
Qual best Race best Trap % of the field 
Michelin Raceway Road Atlanta SARRC 20202020-07-251:50.830Alan Faver · fastest of 21:53.468Alan Faver · fastest of 2106.4Martin Reiter108.8%qual 107.5%
3 rule changes (IT7: 3)1 induction · 1 tyres & wheels · 1 weightshowhide
  • Cleanup 4.f Traction control #28609tyres & wheels
  • Request clarification 1999 Ford Escort ZX2 S?R #26966weight -45 lbs
  • Request clarification on 9.1.3 D1.A.2 #26237induction
Circuit of St. Louis (formerly Gateway Motorsports Majors May 20162016-05-141:13.416Steven Burkett · fastest of 21:18.431Bill Meyer · only car108.4%qual 100.8%

By track

TrackEvents Typical % of the field Best Latest 
Circuit of St. Louis (formerly Gateway Motorsports1108.4%108.4%Majors May 2016108.4%Majors May 2016
Michelin Raceway Road Atlanta1108.8%108.8%SARRC 2020108.8%SARRC 2020
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 the field's best on the same day (every class that ran that day but the ones shown, each scaled by its usual pace against SM and averaged, with each shown class's own track character taken out, so one figure reads the same across years and tracks): the weather and the day cancel out, so one figure compares across years where lap times cannot, and across tracks too, since the class's own character at each track is taken out. A track with only one or two events on record is corrected less, since there is less to go on. A best from fewer than three cars is greyed. The rule changes that took effect between two events are folded between their rows.