| Thomas Dean's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 2022 (100k) | Wyoming, US | 27 | Saturday, July 30, 2022 | DNF |
| Quad Rock 2021 (Quad Rock 50) | Wyoming, US | 25 | Saturday, May 8, 2021 | 09:33:39.00 |
| Never Summer (2020) (100k) | Wyoming, US | 25 | Saturday, July 25, 2020 | 12:52:15.00 |
| Never Summer 100k (2018) | Wyoming, US | 23 | Saturday, July 28, 2018 | 15:38:28.00 |