| Hannah Osowski's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2025 (Quad Rock 50) | Colorado, US | 33 | Saturday, May 10, 2025 | Not yet started |
| Blue Sky Marathon 2022 (Blue Sky) | Colorado, US | 31 | Saturday, October 15, 2022 | 03:33:57.00 |
| Never Summer (2021) (100k) | Colorado, US | 29 | Saturday, July 31, 2021 | 13:03:57.00 |
| Quad Rock 2020 (Quad Rock 50) | Colorado, US | 28 | Saturday, August 15, 2020 | 09:37:23.00 |
| 2019 Golden Gate Dirty 30 (50K) | Colorado, US | 27 | Saturday, June 1, 2019 | 06:24:45.00 |