| Year | Distance | Þröstur Jóhannesson | Jónas Gunnlaugsson | Ratio |
|---|---|---|---|---|
| 1974 | 21 | 01:23:00🏅 | 01:23:38 | 101% |
| 1981 | 21 | 01:13:08🏅 | 01:33:02 | 127% |
| 1982 | 21 | 00:56:59🏅 | 01:24:45 | 149% |
| 1983 | 21 | 00:59:30🏅 | 01:17:44 | 131% |
| 1985 | 21 | 01:07:16🏅 | 01:44:24 | 155% |
| 1986 | 21 | 01:14:16🏅 | 01:41:32 | 137% |
| 2003 | 20 | 01:26:16🏅 | 01:52:00 | 130% |
| 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.