| Todd Riddle's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon 2019 (Blue Sky) | Colorado, US | 45 | Saturday, October 19, 2019 | 05:17:32.00 |
| Never Summer 100k (2019) | Colorado, US | 45 | Saturday, July 27, 2019 | 16:59:44.00 |
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 45 | Saturday, May 11, 2019 | 11:09:27.00 |
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | 44 | Saturday, October 20, 2018 | Not yet started |
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | 44 | Saturday, May 12, 2018 | 11:50:17.00 |
| Blue Sky Trail Marathon (2017) | CO | 43 | Saturday, October 21, 2017 | 04:47:57.00 |
| Quad Rock 2017 | Colorado, US | 43 | Saturday, May 13, 2017 | DNF |