Herb Thomas at Portland Speedway
Herb Thomas has made 3 NASCAR Cup Series starts at Portland Speedway since 1956, with 1 win, 2 top-10s and an average finish of 6.3.
Totals at Portland Speedway by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|---|---|---|---|---|---|---|---|
| Cup Series | 3 | 1 | 1 | 2 | 0 | 6.3 | 16.3 | 1 |
Every start at Portland Speedway
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|---|---|---|---|---|---|
| August 26, 1956 | 1956 Portland Speedway, August 26 | Grand National Series | 11 | 7 | 0 | Running |
| June 24, 1956 | 1956 Portland Speedway, June 24 | Grand National Series | 20 | 11 | 0 | Running |
| May 27, 1956 | 1956 Portland Speedway, May 27 | Grand National Series | 18 | 1 | 0 | Running |