| Year | Distance | Sigurður Sigurðsson | Matthías Sveinsson | Ratio |
|---|---|---|---|---|
| 1987 | 21 | 01:28:00 | 01:14:43🏅 | 85% |
| 1989 | 21 | 01:21:59 | 01:16:50🏅 | 94% |
| 1997 | 20 | 01:33:10 | 01:21:17🏅 | 87% |
| 1998 | 20 | 01:44:32 | 01:24:22🏅 | 81% |
| 2006 | 20 | 02:15:06 | 01:46:24🏅 | 79% |
| 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.