| Rank | BIB | Name | Year | Club | Time | |
|---|---|---|---|---|---|---|
| 1 | 632 | Aðalheiður Sæunn Sigþórsdóttir | 2008 | 00:18:22 | ||
| 2 | 604 | Aðalheiður Tryggvadóttir | 1968 | 00:20:22 | +02:00 | |
| 3 | 612 | Lilja Friðriksdóttir | 1980 | 00:23:58 | +05:36 | |
| 4 | 628 | Benedikt Gunnarsson | 2011 | 00:24:19 | +05:57 | |
| 5 | 627 | Rakel Dögg Hafliðasóttir | 1981 | 00:24:21 | +05:59 | |
| 6 | 629 | Andrea Gunnarsdóttir | 2013 | 00:24:22 | +06:00 | |
| 7 | 609 | Anna Lísa Guðmundsdóttir | 2013 | 00:24:23 | +06:01 | |
| 8 | 610 | Júdit Hjálmarsdóttir | 1964 | 00:24:23 | +06:01 | |
| 9 | 619 | Guðrún Helga Ágústsdóttir | 1990 | 00:24:25 | +06:03 | |
| 10 | 613 | Arnrún Eva Guðmundsdóttir | 2011 | 00:27:09 | +08:47 |