| Michael Bur's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2010 | Maryland, US | 45 | Friday, July 9, 2010 | 45:07:26.00 |
| Hardrock 100 2009 | Maryland, US | 44 | Friday, July 10, 2009 | 44:54:22.00 |
| Hardrock 100 2006 | Maryland, US | 41 | Friday, July 14, 2006 | 42:40:49.00 |
| Hardrock 100 2005 | Maryland, US | 40 | Friday, July 8, 2005 | 44:34:28.00 |