Jeff 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 Jeff Jefferson |
| Site | Race | Win | T5 | T10 | Pole | Laps | Led | Earnings | AvSt | AvFn | RAF | Miles | LLF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Albuquerque | 2 | 0 | 1 | 2 | 1 | 303 | 86 | 0.0 | 2.0 | 6.0 | 2 | 151.5 | 2 |
| Bakersfield | 9 | 0 | 4 | 8 | 0 | 1397 | 0 | 0.0 | 5.7 | 6.7 | 9 | 698.5 | 6 |
| Brainerd | 2 | 0 | 2 | 2 | 0 | 100 | 42 | 0.0 | 3.0 | 3.5 | 2 | 250.0 | 2 |
| Colorado | 9 | 1 | 6 | 9 | 2 | 1379 | 158 | 2,075.0 | 4.3 | 5.2 | 9 | 517.1 | 8 |
| Douglas County | 2 | 0 | 2 | 2 | 0 | 300 | 0 | 0.0 | 6.0 | 3.0 | 2 | 112.5 | 2 |
| Evergreen | 9 | 0 | 6 | 9 | 2 | 1425 | 170 | 0.0 | 4.7 | 4.6 | 9 | 920.5 | 8 |
| Iowa | 10 | 1 | 6 | 10 | 1 | 1525 | 0 | 0.0 | 6.2 | 5.0 | 10 | 1,334.4 | 8 |
| Irwindale | 6 | 0 | 4 | 4 | 0 | 848 | 82 | 0.0 | 7.2 | 7.8 | 6 | 424.0 | 5 |
| Kalispell | 1 | 1 | 1 | 1 | 0 | 150 | 99 | 0.0 | 3.0 | 1.0 | 1 | 37.5 | 1 |
| Lake Havasu | 1 | 0 | 1 | 1 | 0 | 150 | 9 | 0.0 | 2.0 | 3.0 | 1 | 37.5 | 1 |
| Lebanon | 1 | 0 | 0 | 1 | 1 | 153 | 91 | 0.0 | 1.0 | 7.0 | 1 | 57.4 | 1 |
| LVMS Bullring | 2 | 0 | 2 | 2 | 1 | 400 | 44 | 0.0 | 1.5 | 2.0 | 2 | 150.0 | 2 |
| LVMS Dirt Track | 2 | 0 | 2 | 2 | 0 | 202 | 0 | 0.0 | 13.5 | 3.5 | 2 | 101.0 | 2 |
| Meridian | 4 | 0 | 3 | 4 | 0 | 860 | 0 | 0.0 | 7.0 | 4.8 | 4 | 215.0 | 4 |
| Orange Show | 2 | 0 | 1 | 1 | 0 | 254 | 0 | 0.0 | 3.5 | 11.0 | 2 | 63.5 | 1 |
| Phoenix | 8 | 0 | 4 | 4 | 0 | 575 | 6 | 0.0 | 10.6 | 12.4 | 6 | 575.0 | 4 |
| Portland | 2 | 0 | 1 | 1 | 0 | 80 | 0 | 0.0 | 9.0 | 16.5 | 1 | 158.4 | 1 |
| Roseville | 8 | 3 | 6 | 7 | 2 | 1177 | 141 | 0.0 | 3.5 | 5.3 | 7 | 391.9 | 7 |
| Shasta | 1 | 0 | 1 | 1 | 0 | 150 | 0 | 0.0 | 7.0 | 4.0 | 1 | 56.3 | 1 |
| Sonoma | 9 | 1 | 5 | 5 | 3 | 559 | 121 | 0.0 | 6.1 | 10.3 | 8 | 1,142.6 | 7 |
| Spokane | 3 | 0 | 2 | 2 | 2 | 489 | 136 | 0.0 | 4.3 | 8.0 | 3 | 244.5 | 2 |
| State Line | 3 | 0 | 3 | 3 | 0 | 473 | 18 | 0.0 | 6.7 | 3.3 | 3 | 118.3 | 3 |
| Stockton | 2 | 1 | 2 | 2 | 2 | 305 | 155 | 0.0 | 1.0 | 2.0 | 2 | 76.3 | 2 |
| Tooele | 6 | 0 | 3 | 4 | 0 | 277 | 20 | 0.0 | 5.8 | 9.0 | 5 | 669.6 | 4 |
| Tucson | 5 | 0 | 3 | 4 | 0 | 578 | 0 | 0.0 | 9.4 | 6.8 | 4 | 216.8 | 4 |
| GRAND TOTAL | 109 | 8 | 71 | 91 | 17 | 14109 | 1378 | 2,075.0 | 5.9 | 6.7 | 102 | 8,719.9 | 88 |
| Speedways (2 mi. +) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Speedways (1-2 mi.) | 8 | 0 | 4 | 4 | 0 | 575 | 6 | 0.0 | 10.6 | 12.4 | 6 | 575.0 | 4 |
| Short Tracks | 80 | 7 | 54 | 73 | 0 | 12316 | 1189 | 2,075.0 | 5.2 | 5.5 | 78 | 5,823.3 | 68 |
| Road Courses | 19 | 1 | 11 | 12 | 1 | 1016 | 183 | 0.0 | 6.0 | 9.8 | 16 | 2,220.6 | 14 |
| Street Courses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0 |
| Dirt Tracks | 2 | 0 | 2 | 2 | 0 | 202 | 0 | 0 | 13.5 | 3.5 | 2 | 101.0 | 2 |
