| Year | Distance | Óskar Kárason | Nanný Arna Guðmundsdóttir | Ratio |
|---|---|---|---|---|
| 2004 | 20 | 02:04:07🏅 | 02:39:46 | 129% |
| 2007 | 20 | 01:38:57🏅 | 02:06:24 | 128% |
| 2010 | 20 | 01:43:00🏅 | 01:54:22 | 111% |
| 2012 | 20 | 01:41:58🏅 | 02:01:20 | 119% |
| 2019 | 25 | 02:14:53 | 02:07:43🏅 | 95% |
| 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.