| John Duffy's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | 45 | Saturday, October 20, 2018 | 06:28:05.00 |
| John Duffy's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | 45 | Saturday, October 20, 2018 | 06:28:05.00 |