James C Birkenbuel
| Event | Category | Date | |
|---|---|---|---|
| 16 | Cascade Gravel Grinder: Overall Omnium Points | Big Grinder Masters Men 45+ | 4/28 |
| 17 | Cascade Gravel Grinder | Big Grinder Omnium Masters Men 45+ | 4/28 |
| 19 | Cascade Gravel Grinder | Big Grinder Omnium Masters Men 45+ | 4/27 |
| 16 | Cascade Gravel Grinder | Big Grinder Masters Men 45+ | 4/26 |