| Rank | BIB | Name | Year | Club | Time | |
|---|---|---|---|---|---|---|
| 1 | 2023 | Sigrún Björk Sigurðardóttir | 1982 | UFA Eyrarskokk | 01:28:35 | |
| 2 | 2029 | Íris Emma Gunnarsdóttir | 1996 | 01:31:32 | +02:57 | |
| 3 | 2038 | Guðrún Arngrímsdóttir | 1982 | Team Nesbræður/HÞ/Ufa E | 01:31:33 | +02:58 |
| 4 | 2037 | Ragna Baldvinsdóttir | 1991 | Team Nesbræður/HÞ | 01:31:33 | +02:58 |
| 5 | 2028 | Guðrún Fema Ágústsdóttir | 1967 | 01:36:30 | +07:55 | |
| 6 | 2015 | Ester Rúnarsdóttir | 1980 | 01:42:12 | +13:37 | |
| 7 | 2040 | Alda Ólína Arnarsdóttir | 1995 | 01:42:42 | +14:07 | |
| 8 | 2009 | Halla María Hjartardóttir | 1997 | 01:43:05 | +14:30 | |
| 9 | 2008 | Ragnheiður Hulda Ólafsdóttir | 1992 | 01:46:55 | +18:20 | |
| 10 | 2014 | Hildur Edda Grétarsdóttir | 1985 | 01:48:32 | +19:57 | |
| 11 | 2044 | Íris Hlín Vöggsdóttir | 1982 | Náttúruhlaup | 01:49:52 | +21:17 |
| 12 | 2042 | Jóhanna Björg Hansen | 1966 | Mosóskokk | 01:54:26 | +25:51 |
| 13 | 2012 | Sigrún Gréta Helgadóttir | 1971 | 01:54:34 | +25:59 | |
| 14 | 2002 | Vera Víðisdóttir | 1979 | 01:55:10 | +26:35 | |
| 15 | 2036 | Anna Halldórsdóttir | 1973 | Breiðablik | 01:59:32 | +30:57 |
| 16 | 2035 | Inga Rut Jónsdóttir | 1976 | Breiðablik | 01:59:32 | +30:57 |
| 17 | 2039 | Íris Björk Baldursdóttir | 1973 | Hlaupahópur Breiðabliks | 01:59:43 | +31:08 |
| 18 | 2031 | Þorgerður Marinósdóttir | 1970 | Hlaupahópur Breiðabliks | 02:01:32 | +32:57 |
| 19 | 2047 | Steinþóra Þórisdóttir | 1972 | Hlaupahópur Breiðabliks | 02:01:49 | +33:14 |
| 20 | 2032 | Sigurrós Óskarsdóttir | 1974 | Hlaupahópur Breiðabliks | 02:01:49 | +33:14 |
| 21 | 2049 | Sara Fusco | 1991 | 02:02:29 | +33:54 | |
| 22 | 2005 | Aðalbjörg Helgadóttir | 1972 | 02:05:14 | +36:39 | |
| 23 | 2020 | Sólrún Snæþórsdóttir | 1972 | Hlaupahópur Breiðabliks | 02:06:52 | +38:17 |
| 24 | 2019 | Halldóra Jakobsdóttir | 1960 | Hlaupahótur Breiðabliks | 02:06:55 | +38:20 |
| 25 | 2027 | Audur Sveinsdottir | 1976 | UFA Eyrarskokk | 02:10:07 | +41:32 |
| 26 | 2026 | Líney Elíasdóttir | 1971 | UFA Eyrarskokk | 02:10:08 | +41:33 |