| Marshall Kulp's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2020 Running Up For Air (Ogden) (6H) | Utah, US | 35 | Saturday, February 22, 2020 | 05:29:12.00 |
| 2019 Running Up For Air (Ogden) (6H) | Utah, US | 34 | Saturday, February 9, 2019 | Not yet started |
| 2018 Running Up For Air (6H) | Utah, US | 33 | Saturday, February 10, 2018 | 05:21:49.00 |