| Year | Distance | Pétur Oddsson | Hrefna Katrín Guðmundsdóttir | Ratio |
|---|---|---|---|---|
| 2007 | 20 | 01:29:43🏅 | 01:50:51 | 124% |
| 2009 | 20 | 01:35:07🏅 | 01:41:23 | 107% |
| 2011 | 20 | 01:24:31🏅 | 01:28:39 | 105% |
| 2013 | 20 | 01:12:40 | 01:05:34🏅 | 90% |
| 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.