| Year | Distance | Einar Birkir Sveinbjörnsson | Ólafur Ragnar Helgason | Ratio |
|---|---|---|---|---|
| 2013 | 50 | 02:43:38🏅 | 02:57:34 | 109% |
| 2014 | 50 | 02:57:38 | 02:52:39🏅 | 97% |
| 2015 | 50 | 04:02:13 | 03:44:48🏅 | 93% |
| 2016 | 50 | 03:24:46🏅 | 03:38:04 | 106% |
| 2017 | 50 | 03:09:05🏅 | 03:18:18 | 105% |
| 5 races | 3 🏅 | 2 🏅 |
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.