| Year | Distance | Guðmundur Ágústsson | Stígur Stígsson | Ratio |
|---|---|---|---|---|
| 1988 | 21 | 01:26:34 | 01:21:25🏅 | 94% |
| 1989 | 21 | 01:24:59 | 01:22:07🏅 | 97% |
| 2005 | 20 | 02:10:22 | 02:03:02🏅 | 94% |
| 2006 | 20 | 01:50:10 | 01:42:52🏅 | 93% |
| 2009 | 20 | 01:54:30🏅 | 01:55:30 | 101% |
| 2011 | 20 | 01:44:58🏅 | 01:45:30 | 101% |
| 2012 | 20 | 02:07:20 | 02:04:24🏅 | 98% |
| 2013 | 20 | 01:28:13🏅 | 01:29:03 | 101% |
| 2013 | 20 | 01:31:36 | 01:29:03🏅 | 97% |
| 9 races | 3 🏅 | 6 🏅 |
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.