Rio Bravo MX Park
October 29 1972
500MX Results
| Rider | Hometown | ||
|---|---|---|---|
| 1 |  Brad Lackey | Lafayette, CA  |  |
| 2 | Mark Blackwell | Mission Viejo, CA |  |
| 3 |  Gary Jones | Hacienda Heights, CA |  |
| 4 | Bryan Kenney | Cleveland, OH | Maico |
| 5 |  Jim Pomeroy | Yakima, WA | Bultaco |
| 6 |  Jim Weinert | Middletown, NY | |
| 7 | Jim Cooke | Huntington Beach, CA | |
| 8 | Herbert Lee Miller | Canal Fulton, OH | Maico |
| 9 | Tony Wynn | Sherwood, AR | CZ |
| 10 | Bryar Holcomb | Sunland, CA |  |
| 11 | Rich Thorwaldson | Cerritos, CA | |
| 12 | Mike Runyard | West Covina, CA | CZ |