G.C. Spencer NASCAR Cup Series results at Thompson
Back to G.C. Spencer career stats
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 1969 | 30 | 7 | 4 | 49 | '68 Plymouth | G.C. Spencer | 197 | 0 | 0 | running | 900 | 0 | |||
| 1970 | 26 | 7 | 21 | 49 | '69 Plymouth | G.C. Spencer | 156 | 0 | 0 | engine | 330 | 0 |
