| Year | Distance | Þórhallur Ásmundsson | Katrín Árnadóttir (1983) | Ratio |
|---|---|---|---|---|
| 1999 | 20 | 01:21:02🏅 | 01:30:09 | 111% |
| 2000 | 20 | 01:20:31 | 01:20:09🏅 | 100% |
| 2014 | 50 | 03:26:03🏅 | 03:31:46 | 103% |
| 2015 | 50 | 04:13:23🏅 | 04:22:24 | 104% |
| 4 races | 3 🏅 | 1 🏅 |
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.