Tim Williamson NASCAR Cup Series results at Riverside
Back to Tim Williamson career stats
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 1979 | 1 | 26 | 9 | 74 | Cal-Four | Chevrolet | Williamson | 116 | 0 | 0 | running | 2300 | 138 | ||
| 1979 | 15 | 19 | 26 | 29 | Tropical Rent-A-Car | Chevrolet | Williamson | 33 | 0 | 0 | fire | 775 | 85 |
