| Keith Arnold's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Red Feather Trail Jamboree 2024 Half (Half Marathon) | Colorado, US | 54 | Sunday, September 22, 2024 | Not yet started |
| Blue Sky Marathon & Half 2023 (Trail Half Marathon) | Colorado, US | 53 | Saturday, October 21, 2023 | 02:49:31.00 |
| Staunton Rocks! Marathon & Half 2023 (Half Marathon) | Colorado, US | 53 | Saturday, August 26, 2023 | 02:44:21.00 |