| Maggie Guterl's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Running Up For Air Moab 2025 (6 Hours) | Colorado, US | 44 | Saturday, April 5, 2025 | 05:48:47.00 |
| Running Up For Air Moab 2024 (6 Hours) | Colorado, US | 43 | Saturday, April 6, 2024 | Not yet started |
| Hardrock 100 2022 | Pennsylvania, US | 41 | Friday, July 15, 2022 | 39:29:27.00 |
| 2022 Running Up For Air (SLC) (12H) | Colorado, US | 41 | Saturday, February 5, 2022 | 08:40:52.00 |
| 2021 High Lonesome 100 | Colorado, US | 40 | Friday, July 30, 2021 | 29:46:11.00 |