Ohio International Raceway
- Rounds
- 1
- Seasons
- 1
- First
- 1975
- Latest
- 1975
Every Round
| Season | Date | Race | 450 Winner | 250 Winner |
|---|---|---|---|---|
| 1975 | Aug 24 | Ohio International Raceway National MX R14 | — | — |
| Season | Date | Race | 450 Winner | 250 Winner |
|---|---|---|---|---|
| 1975 | Aug 24 | Ohio International Raceway National MX R14 | — | — |