| Mark Holcomb's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2022 | Illinois, US | 39 | Friday, September 23, 2022 | DNF |
| The Bear 100 2021 | Arizona, US | 38 | Saturday, September 25, 2021 | DNF |
| Mark Holcomb's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2022 | Illinois, US | 39 | Friday, September 23, 2022 | DNF |
| The Bear 100 2021 | Arizona, US | 38 | Saturday, September 25, 2021 | DNF |