| Rank | BIB | Name | Year | Club | Time | ||
|---|---|---|---|---|---|---|---|
| 1 | 483 | Linda Ösp Hilmarsdóttir | 2014 | 00:22:58 | |||
| 2 | 504 | Ísabella Jóhannsdottir | 2010 | 00:24:14 | +01:16 | ||
| 3 | 478 | Birna Aldis Fernandez | 1981 | Breiðablik | 00:27:34 | +04:36 | |
| 4 | 500 | Guðrún Sóley Gestsdóttir | 1987 | 00:28:58 | +06:00 | ||
| 5 | 505 | Kolfinna Johannsdottir | 2002 | 00:29:32 | +06:34 | ||
| 6 | 479 | Júlía Björk Geirsdóttir | 2003 | 00:29:36 | +06:38 | ||
| 7 | 480 | Emilia Geirsdóttir | 2008 | 00:31:52 | +08:54 | ||
| 8 | 502 | Ingibjörg Aþena | 2004 | 00:32:30 | +09:32 | ||
| 9 | 523 | Anna Kolbrún Jensen | 1986 | 00:33:23 | +10:25 | ||
| 10 | 498 | Hrafnhild Eir Hermansdóttir | 1989 | ÍR | 00:34:48 | +11:50 | |
| 11 | 496 | Andrea Anja Þorsteinsson | 2019 | 00:34:49 | +11:51 | ||
| 12 | 486 | Anna Katrín Björnsdóttir Melstað | 1983 | 00:35:29 | +12:31 | ||
| 13 | 515 | Írena Erla Karlsdóttir | 2015 | 00:36:53 | +13:55 | ||
| 14 | 514 | Elín Þóra Helgadottir | 1996 | AGR runclub | 00:37:30 | +14:32 | |
| 15 | 516 | Berglind Ýr Gunnarsdóttir | 1989 | 00:37:54 | +14:56 | ||
| 16 | 512 | Kristrún Erla Sigurðardóttir | 1987 | 00:37:54 | +14:56 | ||
| 17 | 485 | Freyja Rún Guðmundsdóttir | 2013 | 00:38:30 | +15:32 | ||
| 18 | 518 | Sólrún Sæmundsdóttir | 1996 | 00:42:20 | +19:22 | ||
| 19 | 517 | Diljá Valdimarsdóttir | 2002 | 00:42:20 | +19:22 | ||
| 20 | 494 | Arndís Þóra Þórisdóttir | 1998 | 00:42:20 | +19:22 | ||
| 21 | 507 | Sóley Birna Gunnarsdóttir | 2014 | 00:42:42 | +19:44 | ||
| 22 | 508 | Ylfa Björk Gunnarsdóttir | 2017 | 00:43:17 | +20:19 | ||
| 23 | 509 | Ásta Óskarsdóttir | 1972 | 00:43:18 | +20:20 | ||
| 24 | 488 | Sóley Úa Pálsdóttir | 2003 | Tempó | 00:45:37 | +22:39 | |
| 25 | 492 | Margrét Lilja Árdal | 2015 | Tempó | 00:45:37 | +22:39 | |
| 26 | 521 | Maria Consuelo Peralta | 1967 | 00:49:31 | +26:33 |