| Brent Kocis's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 34 | Saturday, October 21, 2023 | 03:44:19.00 |
| Quad Rock (2018) (Quad Rock 25) | Colorado, US | 28 | Saturday, May 12, 2018 | Not yet started |
| Blue Sky Trail Marathon (2017) | CO | 28 | Saturday, October 21, 2017 | 03:24:23.00 |
| 2017 Golden Gate Dirty 30 (50K) | Colorado, US | 27 | Saturday, June 3, 2017 | 05:01:48.20 |
| Quad Rock 2017 | Colorado, US | 27 | Saturday, May 13, 2017 | 03:28:08.00 |