| John Hemsky's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 50 | Saturday, May 11, 2019 | 10:25:03.00 |
| The Bear 100 2007 | 38 | Friday, September 28, 2007 | 22:55:07.00 |
| John Hemsky's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 50 | Saturday, May 11, 2019 | 10:25:03.00 |
| The Bear 100 2007 | 38 | Friday, September 28, 2007 | 22:55:07.00 |