Jason Leffler NASCAR Xfinity 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 | 7 | 0 | 0 | 0 | 4 | 18.7143 | 16.1429 | 2 | 2 | 2 | 0.142857 | 1237 |
| Bristol | 17 | 1 | 0 | 3 | 9 | 15.0588 | 15.6471 | 2 | 4 | 87 | 2.023529 | 4122 |
| Charlotte | 17 | 0 | 0 | 1 | 4 | 24.3529 | 18.5882 | 7 | 9 | 80 | 2.347647 | 3138 |
| Chicagoland | 9 | 0 | 0 | 3 | 4 | 20.4444 | 15.0000 | 1 | 1 | 1 | 0.055556 | 1791 |
| Darlington | 9 | 0 | 0 | 2 | 6 | 16.7778 | 13.3333 | 1 | 1 | 17 | 1.284444 | 1316 |
| Daytona | 16 | 1 | 0 | 1 | 6 | 13.4375 | 15.8750 | 1 | 1 | 2 | 0.104375 | 1727 |
| Dover | 17 | 0 | 0 | 4 | 9 | 16.6471 | 13.5294 | 0 | 0 | 0 | 0.000000 | 3310 |
| Fontana | 15 | 1 | 0 | 0 | 2 | 16.1333 | 21.8667 | 1 | 1 | 2 | 0.088667 | 2012 |
| Gateway | 9 | 0 | 0 | 3 | 4 | 16.5556 | 13.4444 | 1 | 1 | 9 | 0.500000 | 1785 |
| Homestead | 9 | 0 | 0 | 2 | 3 | 17.4444 | 13.3333 | 0 | 0 | 0 | 0.000000 | 1795 |
| Iowa | 5 | 0 | 0 | 2 | 3 | 7.8000 | 12.0000 | 0 | 0 | 0 | 0.000000 | 1187 |
| IRP | 9 | 1 | 1 | 3 | 5 | 9.0000 | 14.2222 | 1 | 1 | 3 | 0.166667 | 1574 |
| Kansas | 8 | 0 | 0 | 0 | 2 | 13.3750 | 16.1250 | 1 | 1 | 3 | 0.187500 | 1576 |
| Kentucky | 7 | 0 | 0 | 0 | 2 | 16.7143 | 18.4286 | 1 | 2 | 4 | 0.285714 | 1201 |
| Las Vegas | 8 | 0 | 0 | 1 | 2 | 22.3750 | 20.2500 | 0 | 0 | 0 | 0.000000 | 1375 |
| Loudon | 9 | 0 | 0 | 1 | 2 | 18.3333 | 18.6667 | 0 | 0 | 0 | 0.000000 | 1712 |
| Martinsville | 1 | 0 | 0 | 0 | 1 | 12.0000 | 8.0000 | 0 | 0 | 0 | 0.000000 | 250 |
| Memphis | 7 | 0 | 0 | 2 | 2 | 22.0000 | 16.2857 | 0 | 0 | 0 | 0.000000 | 1753 |
| Mexico City | 3 | 0 | 0 | 0 | 1 | 33.0000 | 14.6667 | 0 | 0 | 0 | 0.000000 | 242 |
| Michigan | 9 | 0 | 0 | 0 | 3 | 18.8889 | 16.6667 | 1 | 1 | 1 | 0.088889 | 1048 |
| Milwaukee | 6 | 0 | 0 | 2 | 4 | 12.8333 | 9.5000 | 2 | 2 | 39 | 2.521667 | 1505 |
| Montreal | 5 | 0 | 0 | 0 | 2 | 12.6000 | 18.4000 | 1 | 1 | 5 | 1.352000 | 335 |
| Myrtle Beach | 1 | 0 | 0 | 0 | 1 | 7.0000 | 7.0000 | 0 | 0 | 0 | 0.000000 | 250 |
| Nashville | 1 | 0 | 0 | 0 | 0 | 14.0000 | 21.0000 | 0 | 0 | 0 | 0.000000 | 319 |
| Nashville (IRL) | 14 | 0 | 1 | 4 | 6 | 15.7143 | 17.9286 | 3 | 8 | 124 | 3.937143 | 2541 |
| Nazareth | 2 | 0 | 0 | 0 | 1 | 18.0000 | 11.0000 | 0 | 0 | 0 | 0.000000 | 399 |
| Phoenix | 16 | 2 | 0 | 2 | 4 | 14.6250 | 15.6875 | 2 | 5 | 121 | 3.710000 | 3080 |
| Pikes Peak | 2 | 0 | 0 | 1 | 1 | 11.5000 | 13.5000 | 1 | 1 | 12 | 2.400000 | 498 |
| Richmond | 18 | 1 | 0 | 2 | 4 | 15.0000 | 18.9444 | 3 | 4 | 82 | 1.820000 | 4321 |
| Road America | 2 | 0 | 0 | 0 | 1 | 14.0000 | 14.0000 | 1 | 1 | 3 | 3.000000 | 106 |
| Rockingham | 5 | 0 | 0 | 0 | 0 | 23.8000 | 25.4000 | 0 | 0 | 0 | 0.000000 | 967 |
| South Boston | 1 | 0 | 0 | 0 | 0 | 38.0000 | 32.0000 | 0 | 0 | 0 | 0.000000 | 230 |
| Talladega | 8 | 0 | 0 | 2 | 3 | 9.1250 | 19.0000 | 1 | 2 | 7 | 0.747500 | 795 |
| Texas | 15 | 1 | 0 | 1 | 5 | 15.5333 | 14.0667 | 2 | 2 | 5 | 0.166667 | 2862 |
| Watkins Glen | 7 | 0 | 0 | 0 | 1 | 23.0000 | 23.7143 | 1 | 1 | 3 | 0.522857 | 514 |
| Total | 294 | 8 | 2 | 42 | 107 | 16.6701 | 16.5986 | 37 | 52 | 612 | 0.995714 | 52873 |
