| Marlow Crellin's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2026 Running Up For Air (SLC) (24H) | Utah, US | 11 | Saturday, February 7, 2026 | 13:40:46.00 |
| Running Up For Air Moab 2025 (6 Hours) | Utah, US | 10 | Saturday, April 5, 2025 | 05:39:14.00 |
| 2025 Running Up For Air (SLC) (12H) | US | Saturday, February 8, 2025 | 07:52:05.00 | |
| 2024 Running Up For Air (Rock Canyon) (3 Hour) | Utah, US | 10 | Saturday, June 1, 2024 | 02:52:54.00 |
| 2024 Running Up For Air (SLC) (12H) | 10 | Saturday, February 3, 2024 | 08:13:20.00 |