Bobby Isaac at Kingsport Speedway
Bobby Isaac has made 3 NASCAR Cup Series starts at Kingsport Speedway since 1969, with 1 win, 2 top-10s and an average finish of 6.7.
Totals at Kingsport Speedway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 3 | 1 | 1 | 2 | 515 | 6.7 | 1.7 | 1 |
Every start at Kingsport Speedway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| May 23, 1971 | 1971 Kingsport 300 | Winston Cup Series | 1 | 1 | 294 | Running |
| June 26, 1970 | 1970 Kingsport 100 | Grand National Series | 3 | 8 | 34 | Running |
| June 19, 1969 | 1969 Kingsport 250 | Grand National Series | 1 | 11 | 187 | Engine |