| Greg Grady's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2024) | Colorado, US | 45 | Friday, July 26, 2024 | Not yet started |
| The Bear 100 2015 | Arizona, US | 36 | Friday, September 25, 2015 | 35:37:54.00 |
| Greg Grady's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2024) | Colorado, US | 45 | Friday, July 26, 2024 | Not yet started |
| The Bear 100 2015 | Arizona, US | 36 | Friday, September 25, 2015 | 35:37:54.00 |