| Robert Klose's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2024 (Quad Rock 25) | Colorado, US | 41 | Saturday, May 11, 2024 | Not yet started |
| Red Feather Trail Jamboree 2023 50K (50K) | Colorado, US | 41 | Friday, September 22, 2023 | 09:31:06.00 |
| Quad Rock (2019) (Quad Rock 25) | Colorado, US | 36 | Saturday, May 11, 2019 | 07:02:46.00 |
| Quad Rock (2018) (Quad Rock 25) | Colorado, US | 35 | Saturday, May 12, 2018 | 06:48:35.00 |