BoP Lab / Classes / ITR

ITR vs CTC pace at every track

Lap times across years say as much about the weather as the class. % of ITR is each class's best lap as a share of ITR'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.

% of ITRLap times

ITRCTCsolid race · dashed qualifying · slower is lower

ITRCTCsolid race · dashed qualifying · each class's best lap as a share of ITR's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker

	Event	ITR			CTC
	Event	Qual best	Race best	Trap	Qual best	Race best	Trap	vs ITR	% of ITR
	Pacific Raceways Majors @ Pacific Raceway2016-05-28				1:48.686William Hendrickson · only car	1:47.167William Hendrickson · only car
No rule changes on record between these events
	Circuit of St. Louis (formerly Gateway Motorsports Majors May 20162016-05-14	1:12.883Robert G. Wright · only car	1:13.673Robert G Wright · only car

By track

Track	Events	Typical % of ITR	Best	Latest
Circuit of St. Louis (formerly Gateway Motorsports	1	100.0%	100.0%Majors May 2016	100.0%Majors May 2016
Pacific Raceways	1	0 of 1 with ITR

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 ITR'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.