| Kevin Castle's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Red Feather Trail Jamboree 2022 (Half Marathon) | Colorado, US | 59 | Saturday, September 17, 2022 | 02:58:05.00 |
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 58 | Saturday, October 16, 2021 | Not yet started |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | 58 | Saturday, May 8, 2021 | 07:27:33.00 |
| Quad Rock (2019) (Quad Rock 25) | Colorado, US | 56 | Saturday, May 11, 2019 | 06:40:39.00 |
| Never Summer 100k 2016 | CO | 53 | Saturday, July 23, 2016 | 21:41:03.00 |
| Never Summer 100k 2015 | CO | 52 | Saturday, July 25, 2015 | 23:20:18.00 |