| Year | Distance | Birkir Þór Stefánsson | Heimir Gestur Hansson | Ratio |
|---|---|---|---|---|
| 1999 | 20 | 01:40:53 | 01:33:26🏅 | 93% |
| 1999 | 20 | 01:11:12🏅 | 01:33:26 | 131% |
| 2000 | 20 | 01:12:20🏅 | 01:25:24 | 118% |
| 2011 | 50 | 03:00:58🏅 | 03:14:25 | 107% |
| 2012 | 50 | 03:08:30🏅 | 03:33:23 | 113% |
| 5 races | 4 🏅 | 1 🏅 |
Here you can find a list of other arch-rivals, that is those with most races in common (same year and distance). Click to see detailed comparison.