| Hal Koerner's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2018 | Oregon, US | 42 | Friday, September 28, 2018 | DNF |
| Hardrock 100 2012 | Oregon, US | 36 | Friday, July 13, 2012 | 24:50:00.00 |
| Hardrock 100 2005 | Washington, US | 29 | Friday, July 8, 2005 | 31:29:27.00 |
| Hal Koerner's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Bear 100 2018 | Oregon, US | 42 | Friday, September 28, 2018 | DNF |
| Hardrock 100 2012 | Oregon, US | 36 | Friday, July 13, 2012 | 24:50:00.00 |
| Hardrock 100 2005 | Washington, US | 29 | Friday, July 8, 2005 | 31:29:27.00 |