Isaac Annis has 14 recorded races from Leadville, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-24 | 2026 Life Time Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 4:06:31 | 158 |
| 2026-07-24 | 2026 Life Time Leadville Stage Race 2 Day Totals | Ultra Marathon | 7:39:55 | 176 |
| 2025-07-25 | 2025 Life Time Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:56:05 | 103 |
| 2025-07-25 | 2025 Life Time Leadville Stage Race Day 2 - 20 Miles | 2:24:18 | 123 | |
| 2025-07-25 | 2025 Life Time Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 3:27:04 | 126 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 7:48:14 | 35 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:44:00 | 37 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 2:07:18 | 39 | |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 2:56:56 | 33 |
| 2023-07-28 | 2023 Stages Cycling Leadville Stage Race Days 1 and 2 Totals | Ultra Marathon | 4:51:18 | 34 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 7:50:36 | 36 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 2:43:49 | 36 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 2:09:03 | 37 | |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 2:57:44 | 35 |