G.C. Spencer NASCAR Cup Series results at Columbia
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 1959 | 21 | 15 | 17 | 34 |  | '57 Chevrolet |  |  |  | 42 | 0 | 0 | accident | 50 | 0 | 
| 1959 | 35 | 8 | 7 | 34 |  | '57 Chevrolet |  |  |  | 165 | 0 | 0 | clutch | 175 | 0 | 
| 1960 | 2 | 4 | 15 | 34 |  | '59 Chevrolet |  |  |  | 134 | 0 | 0 | differential | 70 | 0 | 
| 1960 | 9 | 14 | 9 | 48 |  | '59 Chevrolet | Weldon Wagner |  |  | 191 | 0 | 0 | running | 140 | 0 | 
| 1960 | 32 | 2 | 26 | 48 |  | '58 Chevrolet | Weldon Wagner |  |  | 42 | 0 | 0 | rear end | 0 | 0 | 
| 1961 | 15 | 12 | 4 | 48 |  | '60 Chevrolet |  |  |  | 197 | 0 | 0 | running | 275 | 0 | 
| 1961 | 34 | 11 | 8 | 48 |  | '60 Chevrolet |  |  |  | 191 | 0 | 0 | running | 150 | 0 | 
| 1962 | 11 | 10 | 5 | 48 |  | '60 Chevrolet | Floyd Powell |  |  | 197 | 0 | 0 | running | 275 | 0 | 
| 1963 | 21 | 4 | 22 | 03 |  | '62 Chevrolet |  |  |  | 54 | 0 | 0 | piston | 50 | 0 | 
| 1963 | 40 | 8 | 5 | 03 |  | '62 Chevrolet |  |  |  | 198 | 0 | 0 | running | 275 | 0 | 
| 1965 | 13 | 2 | 17 | 49 |  | '64 Ford | G.C. Spencer |  |  | 32 | 0 | 0 | heating | 100 | 0 |