| Year | Distance | Einar Birkir Sveinbjörnsson | Kristján Óskar Ásvaldsson | Ratio |
|---|---|---|---|---|
| 1996 | 7 | 00:30:12🏅 | 00:30:47 | 102% |
| 1998 | 7 | 00:27:50🏅 | 00:27:56 | 100% |
| 1999 | 7 | 00:38:04 | 00:37:36🏅 | 99% |
| 2000 | 10 | 00:36:00🏅 | 00:40:12 | 112% |
| 2001 | 10 | 00:36:05🏅 | 00:36:22 | 101% |
| 2002 | 10 | 00:33:34 | 00:33:16🏅 | 99% |
| 2003 | 20 | 01:30:00 | 01:23:42🏅 | 93% |
| 2005 | 20 | 01:33:08 | 01:23:28🏅 | 90% |
| 2017 | 50 | 03:09:05🏅 | 03:10:05 | 101% |
| 9 races | 5 🏅 | 4 🏅 |
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.