| Kenneth Biddison's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 25 | Saturday, May 11, 2019 | 11:10:41.00 |
| Kenneth Biddison's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 25 | Saturday, May 11, 2019 | 11:10:41.00 |