| Mark Swanson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2004 | California, US | 50 | Friday, July 9, 2004 | 45:28:16.00 |
| The Bear 100 2002 | California, US | 48 | Friday, September 27, 2002 | 32:14:31.00 |
| Mark Swanson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2004 | California, US | 50 | Friday, July 9, 2004 | 45:28:16.00 |
| The Bear 100 2002 | California, US | 48 | Friday, September 27, 2002 | 32:14:31.00 |