Donald Thomas at Langhorne Speedway
Donald Thomas has made 4 NASCAR Cup Series starts at Langhorne Speedway since 1952, with 0 wins, 0 top-10s and an average finish of 29.2.
Totals at Langhorne Speedway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 4 | 0 | 0 | 0 | 0 | 29.2 | 30.7 | 23 |
Every start at Langhorne Speedway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| April 22, 1956 | 1956 Langhorne Speedway, April 22 | Grand National Series | 41 | 29 | 0 | Engine |
| May 3, 1953 | 1953 Langhorne Speedway, May 3 | Grand National Series | 26 | 0 | - | |
| September 14, 1952 | 1952 Langhorne Speedway, September 14 | Grand National Series | 42 | 39 | 0 | Clutch |
| May 4, 1952 | 1952 Langhorne Speedway, May 4 | Grand National Series | 9 | 23 | 0 | Water pump |