| Year | Distance | Sigurður Sigurðsson | Halldór Jónsson | Ratio |
|---|---|---|---|---|
| 1971 | 21 | 01:12:37🏅 | 01:25:43 | 118% |
| 1972 | 21 | 01:18:12🏅 | 01:47:25 | 137% |
| 2 races | 2 🏅 | 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.