| Year | Distance | Oddur Pétursson | Sigurður Aðalsteinsson | Ratio |
|---|---|---|---|---|
| 1982 | 21 | 01:15:36 | 01:02:24🏅 | 83% |
| 1983 | 21 | 01:18:59 | 01:08:52🏅 | 87% |
| 1985 | 21 | 01:21:57 | 01:04:52🏅 | 79% |
| 1986 | 21 | 01:34:02 | 01:13:30🏅 | 78% |
| 1989 | 21 | 01:23:36 | 01:01:42🏅 | 74% |
| 1991 | 20 | 01:42:22 | 01:06:15🏅 | 65% |
| 1993 | 20 | 01:33:15 | 01:15:15🏅 | 81% |
| 7 races | 0 🏅 | 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.