John Grant International Raceway

Practice Session (Mark Wallin)

10:38:14am
Mark Wallin (10:38:14am)
Driver Mark Wallin
Class ISTC 13.5
Transponder 4445630
Session Time Date: September 19, 2026 (Saturday)
Start: 10:38:14am
End: 10:47:38am
Length of Session: 7:23
Num Laps 21
Fastest Lap 18.936
Top 3 Consec 56.900
Averages Avg: 21.107
Top 5: 19.006
Top 10: 19.118
Top 15: 19.231
Std Deviation: 6.974
Consistency: 66.960%
Valid Lap Range 14 to 5:00
(lap times outside of this range are maked as "invalid")
Lap Times
Lap 1: 19.168
Lap 2: 19.161
Lap 3: 19.654
Lap 4: 19.303
Lap 5: 19.881
Lap 6: 20.016
Lap 7: 18.936
Lap 8: 19.01
Lap 9: 18.954
Lap 10: 19.311
Lap 11: 19.353
Lap 12: 19.059
Lap 13: 19.304
Lap 14: 19.21
Lap 15: 52.133
Lap 16: 19.699
Lap 17: 19.072
Lap 18: 19.569
Lap 19: 21.141
Lap 20: 19.403
Lap 21: 21.919
* indicates an invalid lap (not counted in stats)
Lap-by-Lap Graph
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