| Dan Vivian's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2023) | Colorado, US | 32 | Friday, July 28, 2023 | 10:35:24.00 |
| The Bear 100 2022 | Colorado, US | 32 | Friday, September 23, 2022 | 31:12:29.00 |
| Never Summer (2022) (60k) | Colorado, US | 31 | Friday, July 29, 2022 | 10:43:45.00 |
| 2021 Silverton Ultra Dirty (100K) | Colorado, US | 30 | Saturday, August 7, 2021 | 21:05:20.00 |