| Year | Distance | Eiríkur Gíslason | Kristbjörn Róbert Sigurjónsson | Ratio |
|---|---|---|---|---|
| 1996 | 20 | 01:04:42🏅 | 01:37:15 | 150% |
| 1998 | 20 | 01:12:48🏅 | 01:46:23 | 146% |
| 2010 | 50 | 04:05:42 | 03:16:13🏅 | 80% |
| 2015 | 25 | 01:45:45 | 01:33:56🏅 | 89% |
| 4 races | 2 🏅 | 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.