| Mark Barnes's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Red Feather Trail Jamboree 2025 Half Marathon (Half Marathon) | Colorado, US | 34 | Sunday, September 28, 2025 | Not yet started |
| Red Feather Trail Jamboree 2024 Half (Half Marathon) | Colorado, US | 33 | Sunday, September 22, 2024 | 03:15:14.00 |