| Madelyn Geisz's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Red Feather Trail Jamboree 2025 50K | Colorado, US | 27 | Saturday, September 27, 2025 | 07:16:43.00 |
| Blue Sky Marathon & Half 2024 (Trail Marathon) | Colorado, US | 26 | Saturday, October 19, 2024 | 05:38:53.00 |
| Quad Rock 2024 (Quad Rock 25) | Colorado, US | 26 | Saturday, May 11, 2024 | 06:24:42.00 |