| 1 | Arna Stefanía Gudmundsdóttir | 45.31 | | 3 jun 2017 |
| 2 | Guðbjörg Jóna Bjarnadóttir | 45.31 | | 3 jun 2017 |
| 3 | Hrafnhild Hermódsdóttir | 45.31 | | 3 jun 2017 |
| 4 | Tiana Ósk Whitworth | 45.31 | | 3 jun 2017 |
| 5 | Júlía Kristín Jóhannesdóttir | 45.54 | | 17 may 2025 |
| 6 | Gudrún Arnardóttir | 45.71 | | 28 jun 1996 |
| 7 | Helga Halldorsdottir | 45.71 | | 28 jun 1996 |
| 8 | Geirlaug Geirlaugsdottir | 45.71 | | 28 jun 1996 |
| 9 | Sunna Gestsdóttir | 45.71 | | 28 jun 1996 |
| 10 | Þórdís Eva Steinsdóttir | 45.75 | | 29 jun 2019 |
| 11 | Birna Kristín Kristjánsdóttir | 45.75 | | 29 jun 2019 |
| 12 | Dóróthea Jóhannesdóttir | 45.81 | | 10 ago 2019 |
| 13 | Andrea Torfadóttir | 45.81 | | 10 ago 2019 |
| 14 | Agnes Kristjánsdóttir | 45.81 | | 10 ago 2019 |
| 15 | María Helga Högnadóttir | 45.88 | | 27 mar 2026 |
| 16 | Helga Margrét Haraldsdóttir | 45.96 | | 19 jun 2021 |
| 17 | Ísold Sævarsdóttir | 46.03 | | 24 jun 2025 |
| 18 | Eir Hlesdottir | 46.03 | | 24 jun 2025 |
| 19 | Hafdís Sigurðardóttir | 46.22 | | 20 jun 2015 |
| 20 | Steinunn Erla Davithsdóttir | 46.22 | | 20 jun 2015 |
| 21 | María Rún Gunnlaugsdóttir | 46.43 | | 1 jun 2013 |
| 22 | Sveijnbörg Zophoniasdóttir | 46.43 | | 1 jun 2013 |
| 23 | Björg Gunnarsdóttir | 46.44 | | 21 jun 2014 |
| 24 | Ingibjörg Sigurðardóttir | 46.61 | | 31 may 2025 |
| 25 | Dóra Hlín Loftsdóttir | 46.86 | | 18 jun 2011 |
| 26 | Silja Úlfarsdóttir | 47.21 | | 17 jun 2006 |
| 27 | Linda Björk Lárusdóttir | 47.21 | | 17 jun 2006 |
| 28 | Sigurbjörg Olafsdóttir | 47.21 | | 17 jun 2006 |
| 29 | Margrét Lilja HRAFNKELSDÓTTIR | 47.21 | | 17 jun 2006 |
| 30 | Hildigunnur Thorarinsdottir | 47.22 | | 12 jun 2021 |
| 31 | Kristin Birna Ólafsdóttir-Johnson | 47.37 | | 19 jun 2010 |
| 32 | Helga Margrét Þorsteinsdóttir | 47.46 | | 20 jun 2009 |
| 33 | Katla Rut ROBERTSDÓTTIR Kluvers | 47.48 | | 17 ago 2019 |
| 34 | Elísabet Ósk Jónsdóttir | 47.55 | | 9 may 2026 |
| 35 | Elizabet Rún Hallgrímsdóttir | 48.46 | | 28 jul 2023 |
| 36 | Melkorka Rán Hafliðadóttir | 49.20 | | 28 jun 2024 |
| 37 | Sara Kristín Lýðsdóttir | 49.20 | | 28 jun 2024 |
| 38 | Agla María Kristjánsdóttir | 49.34 | | 28 jul 2023 |
| 39 | Unnur Birna Unnsteinsdóttir | 55.85 | | 28 jun 2024 |