| David Bitner's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2025) (100k) | Minnesota, US | 48 | Saturday, July 26, 2025 | DNF |
| Quad Rock (2019) (Quad Rock 50) | Minnesota, US | 42 | Saturday, May 11, 2019 | DNF |
| David Bitner's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2025) (100k) | Minnesota, US | 48 | Saturday, July 26, 2025 | DNF |
| Quad Rock (2019) (Quad Rock 50) | Minnesota, US | 42 | Saturday, May 11, 2019 | DNF |