| Michael Whiteside's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Running Up For Air (Ogden) (24H) | Utah, US | 42 | Saturday, March 1, 2025 | 14:54:10.00 |
| The Bear 100 2024 | Utah, US | 42 | Friday, September 27, 2024 | 32:58:42.00 |
| 2024 Running Up For Air (Ogden) (24H) | Utah, US | 41 | Saturday, February 24, 2024 | 23:22:37.00 |
| The Bear 100 2023 | Utah, US | 41 | Friday, September 29, 2023 | 33:51:09.00 |
| 2023 Running Up For Air (Ogden) (24H) | Utah, US | 40 | Saturday, February 25, 2023 | 23:05:10.00 |
| The Bear 100 2021 | Utah, US | 39 | Saturday, September 25, 2021 | 33:28:51.00 |