Daytona, FL
Daytona International Speedway
- March 10, 1973
All-Time Wins
450 Class
| Rider | Hometown | Wins |
|---|---|---|
 Bob Grossi |  Brookdale, CA | 1 |
| Pierre Karsmakers |  The Netherlands | 1 |
250 Class
| Rider | Hometown | Wins |
|---|
| Rider | Hometown | Wins |
|---|---|---|
| Bob Grossi | Brookdale, CA | 1 |
| Pierre Karsmakers | The Netherlands | 1 |
| Rider | Hometown | Wins |
|---|