| Kevin O'Grady's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Laurel Highlands Ultra 2023 (70.5) | Ohio, US | 64 | Saturday, June 10, 2023 | Not yet started |
| Bighorn 100M 2014 | Ohio, US | 55 | Friday, June 20, 2014 | Not yet started |
| The Bear 100 2010 | Ohio, US | 51 | Friday, September 24, 2010 | 35:02:00.00 |
| Hardrock 100 1997 | Ohio, US | 38 | Friday, July 11, 1997 | DNF |
| Hardrock 100 1996 | Ohio, US | 37 | Friday, July 12, 1996 | DNF |
| Hardrock 100 1994 | Ohio, US | 35 | Friday, July 8, 1994 | 47:50:00.00 |
| Hardrock 100 1993 | Ohio, US | 34 | Friday, July 9, 1993 | 45:53:00.00 |
| Hardrock 100 1992 | Ohio, US | 33 | Friday, July 10, 1992 | 46:05:00.00 |