Jason Jefferson (crew chief)NASCAR K&N Pro Series West Statistics by track(1970-present only) Click on the Site to see this crew chief's career results at that track. View career statistics for Jason Jefferson |
| Site | Race | Win | T5 | T10 | Pole | Laps | Led | Earnings | AvSt | AvFn | RAF | Miles | LLF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bakersfield | 1 | 0 | 0 | 0 | 0 | 122 | 0 | 0.0 | 12.0 | 19.0 | 1 | 61.0 | 0 |
| Douglas County | 1 | 0 | 0 | 0 | 0 | 145 | 0 | 0.0 | 12.0 | 15.0 | 1 | 54.4 | 0 |
| Evergreen | 2 | 0 | 0 | 1 | 0 | 274 | 0 | 0.0 | 10.0 | 14.0 | 1 | 177.0 | 0 |
| Irwindale | 1 | 0 | 0 | 1 | 0 | 150 | 0 | 0.0 | 12.0 | 7.0 | 1 | 75.0 | 1 |
| Meridian | 1 | 0 | 0 | 0 | 0 | 214 | 0 | 0.0 | 13.0 | 16.0 | 1 | 53.5 | 0 |
| Phoenix | 1 | 0 | 0 | 0 | 0 | 102 | 0 | 0.0 | 23.0 | 16.0 | 1 | 102.0 | 0 |
| Roseville | 1 | 0 | 0 | 0 | 0 | 82 | 0 | 0.0 | 17.0 | 21.0 | 0 | 27.3 | 0 |
| Sonoma | 1 | 0 | 0 | 1 | 0 | 64 | 0 | 0.0 | 16.0 | 9.0 | 1 | 127.4 | 1 |
| Spokane | 1 | 0 | 0 | 1 | 0 | 150 | 0 | 0.0 | 9.0 | 8.0 | 1 | 75.0 | 1 |
| State Line | 1 | 0 | 1 | 1 | 0 | 157 | 0 | 0.0 | 9.0 | 5.0 | 1 | 39.3 | 1 |
| GRAND TOTAL | 11 | 0 | 1 | 5 | 0 | 1460 | 0 | 0.0 | 13.0 | 13.1 | 9 | 791.8 | 4 |
| Speedways (2 mi. +) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Speedways (1-2 mi.) | 1 | 0 | 0 | 0 | 0 | 102 | 0 | 0.0 | 23.0 | 16.0 | 1 | 102.0 | 0 |
| Short Tracks | 9 | 0 | 1 | 4 | 0 | 1294 | 0 | 0.0 | 11.6 | 13.2 | 7 | 562.4 | 3 |
| Road Courses | 1 | 0 | 0 | 1 | 0 | 64 | 0 | 0.0 | 16.0 | 9.0 | 1 | 127.4 | 1 |
| Street Courses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Dirt Tracks | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0.0 | 0 |