| Year | Distance | Halldór Margeirsson | Magnús Valsson | Ratio |
|---|---|---|---|---|
| 2015 | 25 | 02:40:33🏅 | 03:34:32 | 134% |
| 2016 | 25 | 02:37:40🏅 | 03:23:16 | 129% |
| 2017 | 25 | 02:13:48🏅 | 02:48:47 | 126% |
| 2019 | 25 | 02:05:59🏅 | 02:23:09 | 114% |
| 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.