Jamie Seiffer has 4 recorded races from Leadville, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Stage Race Solo - 3 Day Totals | Ultra Marathon | 10:18:39 | 178 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 1 - 40 Miles | Ultra Marathon | 3:37:59 | 213 |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 2 - 20 Miles | 2:44:31 | 158 | |
| 2022-07-29 | 2022 Stages Cycling Leadville Stage Race Day 3 - 40 Miles | Ultra Marathon | 3:56:09 | 176 |