| Teresa Harrington's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2024) | Colorado, US | 51 | Friday, July 26, 2024 | DNF |
| Quad Rock 2024 (Quad Rock 25) | Colorado, US | 50 | Saturday, May 11, 2024 | 07:26:43.00 |
| Red Feather Trail Jamboree 2022 (50K) | Colorado, US | 49 | Saturday, September 17, 2022 | 08:46:38.00 |
| Blue Sky Trail Marathon (2017) | CO | 44 | Saturday, October 21, 2017 | 06:28:20.00 |
| Quad Rock 2017 | Colorado, US | 43 | Saturday, May 13, 2017 | DNF |