| Mary Bingham Chee's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2025 (Quad Rock 50) | Colorado, US | 38 | Saturday, May 10, 2025 | 13:15:23.00 |
| Never Summer (2022) (60k) | Colorado, US | 35 | Friday, July 29, 2022 | DNF |
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 35 | Friday, June 3, 2022 | Not yet started |
| Never Summer (2021) (60k) | Colorado, US | 34 | Friday, July 30, 2021 | Not yet started |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | 34 | Saturday, May 8, 2021 | 05:39:08.00 |