Bobby Isaac at South Boston Speedway
Bobby Isaac has made 4 NASCAR Cup Series starts at South Boston Speedway since 1968, with 1 win, 3 top-10s and an average finish of 4.8.
Totals at South Boston Speedway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 4 | 1 | 3 | 3 | 481 | 4.8 | 7.5 | 1 |
Every start at South Boston Speedway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| May 9, 1971 | 1971 Halifax County 100 | Winston Cup Series | 1 | 13 | 216 | Engine |
| August 29, 1970 | 1970 Halifax County 100 | Grand National Series | 24 | 2 | 0 | Running |
| August 21, 1969 | 1969 South Boston 100 | Grand National Series | 1 | 1 | 263 | Running |
| August 23, 1968 | 1968 South Boston Speedway, August 23 | Grand National Series | 4 | 3 | 2 | Running |