| WILLIAM TUMA (SCOTTS VALLEY, CA) |
Class Results: 251-Open C
| Round | Event Location | Event Date | Pos. | Points | Bike |
| 2 | SALINAS, CA | 2/17/2013 | 14 | 7 | Husaburg |
| 4 | SHASTA LAKE, CA | 4/14/2013 | 16 | 5 | Husaburg |
| WILLIAM TUMA (SCOTTS VALLEY, CA) |
Class Results: 251-Open C
| Round | Event Location | Event Date | Pos. | Points | Bike |
| 2 | SALINAS, CA | 2/17/2013 | 14 | 7 | Husaburg |
| 4 | SHASTA LAKE, CA | 4/14/2013 | 16 | 5 | Husaburg |