| Parker Halcomb's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Rattlesnake Ramble (Full Course) | CO | 31 | Saturday, September 20, 2025 | Not yet started |
| Never Summer (2022) (100k) | Colorado, US | 28 | Saturday, July 30, 2022 | Not yet started |
| Parker Halcomb's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Rattlesnake Ramble (Full Course) | CO | 31 | Saturday, September 20, 2025 | Not yet started |
| Never Summer (2022) (100k) | Colorado, US | 28 | Saturday, July 30, 2022 | Not yet started |