| Year | Distance | Ingþór Bjarnason | Matthías Sveinsson | Ratio |
|---|---|---|---|---|
| 1987 | 21 | 01:03:04🏅 | 01:14:43 | 118% |
| 1989 | 21 | 01:01:15🏅 | 01:16:50 | 125% |
| 1996 | 20 | 01:01:55🏅 | 01:11:26 | 115% |
| 1997 | 20 | 01:12:05🏅 | 01:21:17 | 113% |
| 4 races | 4 🏅 | 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.