| Year | Distance | Rósmundur Númason | Rannveig Halldórsdóttir | Ratio |
|---|---|---|---|---|
| 2004 | 20 | 02:00:58🏅 | 02:06:34 | 105% |
| 2008 | 50 | 04:30:05🏅 | 04:36:36 | 102% |
| 2009 | 50 | 03:48:50🏅 | 04:00:17 | 105% |
| 2010 | 50 | 04:11:22🏅 | 04:34:38 | 109% |
| 2013 | 50 | 03:20:25🏅 | 03:45:44 | 113% |
| 2015 | 50 | 04:44:41🏅 | 05:06:37 | 108% |
| 2018 | 50 | 04:18:04🏅 | 04:29:22 | 104% |
| 2019 | 50 | 03:29:29🏅 | 03:56:55 | 113% |
| 2021 | 50 | 06:05:06 | 05:54:56🏅 | 97% |
| 2022 | 50 | 04:41:28🏅 | 04:43:32 | 101% |
| 10 races | 9 🏅 | 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.