| Year | Distance | Oddur Pétursson | Matthías Sveinsson | Ratio |
|---|---|---|---|---|
| 1960 | 21 | 01:13:13🏅 | 01:13:58 | 101% |
| 1987 | 21 | 01:21:32 | 01:14:43🏅 | 92% |
| 1989 | 21 | 01:23:36 | 01:16:50🏅 | 92% |
| 1995 | 20 | 01:34:29 | 01:19:05🏅 | 84% |
| 1996 | 20 | 01:24:03 | 01:11:26🏅 | 85% |
| 1997 | 20 | 01:37:54 | 01:21:17🏅 | 83% |
| 1998 | 20 | 01:47:10 | 01:24:22🏅 | 79% |
| 2006 | 20 | 02:15:35 | 01:46:24🏅 | 78% |
| 8 races | 1 🏅 | 7 🏅 |
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.