| Year | Distance | Óskar Kárason | Gísli Gunnlaugsson | Ratio |
|---|---|---|---|---|
| 1971 | 21 | 01:24:13🏅 | 01:29:38 | 106% |
| 1973 | 21 | 01:33:07 | 01:21:07🏅 | 87% |
| 1978 | 21 | 01:16:20🏅 | 01:38:06 | 129% |
| 1993 | 20 | 01:11:33🏅 | 01:59:07 | 166% |
| 4 races | 3 🏅 | 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.