| Year | Distance | Sigurður Gunnarsson | Matthías Sveinsson | Ratio |
|---|---|---|---|---|
| 1987 | 21 | 01:10:12🏅 | 01:14:43 | 106% |
| 1989 | 21 | 01:08:54🏅 | 01:16:50 | 112% |
| 1995 | 20 | 01:08:26🏅 | 01:19:05 | 116% |
| 1996 | 20 | 01:04:07🏅 | 01:11:26 | 111% |
| 1997 | 20 | 01:11:28🏅 | 01:21:17 | 114% |
| 1998 | 20 | 01:14:34🏅 | 01:24:22 | 113% |
| 2006 | 20 | 01:15:11🏅 | 01:46:24 | 142% |
| 7 races | 7 🏅 | 0 🏅 |
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.