Jason Leffler NASCAR Cup Series statistics by track
| Track | Starts | Poles | Wins | Top 5s | Top 10s | Avg. Start | Avg. Finish | Races Led | Times Led | Laps Led | Avg. % Led | Laps |
| Atlanta | 3 | 0 | 0 | 0 | 0 | 22.0000 | 31.6667 | 1 | 1 | 1 | 0.103333 | 714 |
| Bristol | 4 | 0 | 0 | 0 | 0 | 37.0000 | 31.2500 | 0 | 0 | 0 | 0.000000 | 1653 |
| Charlotte | 3 | 0 | 0 | 0 | 0 | 27.3333 | 36.0000 | 0 | 0 | 0 | 0.000000 | 766 |
| Chicagoland | 3 | 0 | 0 | 0 | 0 | 33.6667 | 23.6667 | 0 | 0 | 0 | 0.000000 | 800 |
| Darlington | 4 | 0 | 0 | 0 | 0 | 34.7500 | 36.5000 | 0 | 0 | 0 | 0.000000 | 994 |
| Daytona | 4 | 0 | 0 | 0 | 0 | 22.0000 | 28.0000 | 1 | 1 | 1 | 0.155000 | 662 |
| Dover | 3 | 0 | 0 | 0 | 0 | 37.0000 | 19.3333 | 0 | 0 | 0 | 0.000000 | 1196 |
| Fontana | 3 | 0 | 0 | 0 | 0 | 32.3333 | 32.6667 | 0 | 0 | 0 | 0.000000 | 488 |
| Homestead | 2 | 0 | 0 | 0 | 1 | 18.0000 | 22.5000 | 0 | 0 | 0 | 0.000000 | 530 |
| Indianapolis | 5 | 0 | 0 | 0 | 0 | 23.8000 | 33.4000 | 0 | 0 | 0 | 0.000000 | 635 |
| Kansas | 2 | 1 | 0 | 0 | 0 | 3.5000 | 29.0000 | 2 | 3 | 13 | 2.435000 | 521 |
| Las Vegas | 2 | 0 | 0 | 0 | 0 | 23.5000 | 25.0000 | 0 | 0 | 0 | 0.000000 | 530 |
| Loudon | 4 | 0 | 0 | 0 | 0 | 36.0000 | 27.0000 | 1 | 1 | 1 | 0.082500 | 1192 |
| Martinsville | 3 | 0 | 0 | 0 | 0 | 29.3333 | 25.3333 | 0 | 0 | 0 | 0.000000 | 1456 |
| Michigan | 5 | 0 | 0 | 0 | 0 | 22.4000 | 28.2000 | 0 | 0 | 0 | 0.000000 | 740 |
| Phoenix | 4 | 0 | 0 | 0 | 0 | 32.5000 | 35.7500 | 0 | 0 | 0 | 0.000000 | 880 |
| Pocono | 6 | 0 | 0 | 0 | 0 | 28.5000 | 34.8333 | 0 | 0 | 0 | 0.000000 | 694 |
| Richmond | 5 | 0 | 0 | 0 | 0 | 36.6000 | 30.0000 | 1 | 1 | 19 | 0.950000 | 1619 |
| Rockingham | 2 | 0 | 0 | 0 | 0 | 27.5000 | 31.5000 | 0 | 0 | 0 | 0.000000 | 777 |
| Talladega | 3 | 0 | 0 | 0 | 0 | 28.0000 | 20.3333 | 1 | 2 | 6 | 1.063333 | 547 |
| Texas | 2 | 0 | 0 | 0 | 0 | 29.0000 | 26.5000 | 0 | 0 | 0 | 0.000000 | 582 |
| Watkins Glen | 1 | 0 | 0 | 0 | 0 | 41.0000 | 35.0000 | 0 | 0 | 0 | 0.000000 | 42 |
| Total | 73 | 1 | 0 | 0 | 1 | 28.8630 | 29.7534 | 7 | 9 | 41 | 0.192740 | 18018 |