| Year | Distance | Silja Rán Guðmundsdóttir | Halldór Margeirsson | Ratio |
|---|---|---|---|---|
| 2011 | 20 | 01:21:38🏅 | 01:22:17 | 101% |
| 2013 | 20 | 01:02:34🏅 | 01:04:31 | 103% |
| 2014 | 25 | 01:58:43🏅 | 02:02:30 | 103% |
| 2015 | 25 | 02:32:53🏅 | 02:40:33 | 105% |
| 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.