G.C. Spencer at Smoky Mountain Raceway
G.C. Spencer has made 7 NASCAR Cup Series starts at Smoky Mountain Raceway since 1965, with 0 wins, 3 top-10s and an average finish of 14.3.
Totals at Smoky Mountain Raceway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 7 | 0 | 0 | 3 | 0 | 14.3 | 8.4 | 7 |
Every start at Smoky Mountain Raceway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| April 15, 1971 | 1971 Maryville 200 | Winston Cup Series | 8 | 8 | 0 | Running |
| July 24, 1970 | 1970 East Tennessee 200 | Grand National Series | 7 | 24 | 0 | Crash |
| June 5, 1969 | 1969 Maryville 300 | Grand National Series | 12 | 13 | 0 | Lug bolt |
| July 25, 1968 | 1968 Smoky Mountain 200 | Grand National Series | 12 | 7 | 0 | Running |
| July 27, 1967 | 1967 Smoky Mountain 200 | Grand National Series | 4 | 25 | 0 | Suspension |
| June 8, 1967 | 1967 East Tennessee 200 | Grand National Series | 9 | 9 | 0 | Running |
| August 13, 1965 | 1965 Smoky Mountain Raceway, August 13 | Grand National Series | 7 | 14 | 0 | Steering |