John Pennington has 2 recorded races from Boise, Idaho, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-06-27 | 2026 Life Time Leadville Trail Marathon & Heavy Half Leadville Trail Heavy Half | 2:39:59 | 11 | |
| 2023-05-13 | FAMOUS IDAHO POTATO MARATHON, HALF MARATHON, 10K & 5K Marathon | Marathon | 3:31:57 | 27 |