| Preston Gromer's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2023) | Colorado, US | 24 | Saturday, July 29, 2023 | DNF |
| Quad Rock 2023 (Quad Rock 25) | Colorado, US | 24 | Saturday, May 6, 2023 | 05:46:24.00 |
| Preston Gromer's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2023) | Colorado, US | 24 | Saturday, July 29, 2023 | DNF |
| Quad Rock 2023 (Quad Rock 25) | Colorado, US | 24 | Saturday, May 6, 2023 | 05:46:24.00 |