bill colby has 2 recorded races from Prairie Village, Kansas, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-29 | 2026 Life Time UNBOUND Gravel Presented by Shimano 50 MILE | Ultra Marathon | 3:36:48 | 311 |
| 2026-04-11 | Flint Hills Gravel 2026 The Journey (45'ish miles) | Ultra Marathon | 3:19:47 | 87 |