Roy Tyner at Islip Speedway
Roy Tyner has made 4 NASCAR Cup Series starts at Islip Speedway since 1964, with 0 wins, 1 top-10 and an average finish of 18.8.
Totals at Islip Speedway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 4 | 0 | 0 | 1 | 0 | 18.8 | 19 | 8 |
Every start at Islip Speedway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| July 7, 1968 | 1968 Islip 300 | Grand National Series | 19 | 22 | 0 | Oil pressure |
| July 15, 1967 | 1967 Islip 300 | Grand National Series | 13 | 25 | 0 | Transmission |
| July 16, 1966 | 1966 Islip Speedway, July 16 | Grand National Series | 28 | 20 | 0 | Brakes |
| July 15, 1964 | 1964 Islip Speedway, July 15 | Grand National Series | 16 | 8 | 0 | Running |