| Colin Johnson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2022 (Quad Rock 50) | Colorado, US | 33 | Saturday, May 7, 2022 | 13:00:15.00 |
| 2021 West Line Winder 50k | Colorado, US | 33 | Saturday, September 25, 2021 | 06:26:22.00 |
| Colin Johnson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2022 (Quad Rock 50) | Colorado, US | 33 | Saturday, May 7, 2022 | 13:00:15.00 |
| 2021 West Line Winder 50k | Colorado, US | 33 | Saturday, September 25, 2021 | 06:26:22.00 |