Bret Whitaker has 9 recorded races from Evergreen, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 8:23:52 | 84 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:52:49 | 85 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 2:14:57 | 63 | |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 3:16:06 | 104 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Days 1 and 2 Totals | Ultra Marathon | 5:07:46 | 71 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 8:33:18 | 73 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:56:03 | 73 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 2:20:14 | 74 | |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 3:17:01 | 82 |