| NASCAR O'Reilly Auto Parts Series Loop Data stats for Jason Leffler at Chicagoland Speedway
Click on the Race to see results for that race. |
| Race | Start | Mid Race | Finish | High Pos. | Low Pos. | Avg. Pos. | Pass Diff. | Green Flag Passes | Green Flag Times Passed | Quality Passes | Pct. Quality Passes | Fastest Lap | Top 15 Laps | Pct. Top 15 Laps | Laps Led | Pct. Laps Led | Total Laps | DRIVER RATING |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007-20 | 26 | 17 | 33 | 12 | 36 | 23 | -13 | 39 | 52 | 4 | 10.3 | 3 | 11 | 5.5 | 0 | 0.0 | 196 | 66.0 |
| 2008-20 | 11 | 28 | 27 | 6 | 33 | 23 | -16 | 22 | 38 | 10 | 45.5 | 3 | 49 | 24.5 | 0 | 0.0 | 195 | 87.3 |
| 2009-18 | 12 | 8 | 4 | 1 | 16 | 8 | 5 | 37 | 32 | 37 | 100.0 | 5 | 200 | 100.0 | 0 | 0.0 | 200 | 103.6 |
| 2010-18 | 19 | 7 | 5 | 3 | 19 | 7 | 14 | 46 | 32 | 43 | 93.5 | 25 | 201 | 99.0 | 0 | 0.0 | 203 | 110.9 |
| 2011-14 | 14 | 10 | 5 | 5 | 28 | 11 | 18 | 50 | 32 | 34 | 68.0 | 4 | 184 | 92.0 | 0 | 0.0 | 200 | 95.7 |
| 2011-28 | 16 | 12 | 12 | 1 | 16 | 11 | 0 | 56 | 56 | 47 | 83.9 | 2 | 199 | 99.5 | 1 | 0.5 | 199 | 87.9 |
| Average Driver Rating: | 91.9 | |||||||||||||||||
Green Flag Passes: Green flag passes for position.
Pass Diff.: Difference between Green Flag Passes and Green Flag Times Passed.
Quality Passes: Number of times passing a car running in the Top 15 while under a green flag.
Fastest Lap: How many times a driver had the fastest lap of all drivers.
Driver Rating: A formula combining the following categories: Win, Finish, Top-15 Finish, Average Running Position while on Lead Lap, Average Speed Under Green, Fastest Lap, Led Most Laps, Lead-Lap Finish. Maximum: 150 points per race.