| Year | Distance | Halldór Margeirsson | Sigurgeir Svavarsson | Ratio |
|---|---|---|---|---|
| 1989 | 21 | 01:16:49 | 00:55:26🏅 | 72% |
| 1991 | 20 | 01:17:19 | 01:00:54🏅 | 79% |
| 1993 | 20 | 01:22:14 | 00:57:53🏅 | 70% |
| 2007 | 50 | 03:47:29 | 03:07:10🏅 | 82% |
| 2009 | 50 | 03:53:55 | 03:01:53🏅 | 78% |
| 5 races | 0 🏅 | 5 🏅 |
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.