| Rank | BIB | Name | Year | Club | Time | ||
|---|---|---|---|---|---|---|---|
| 1 | 7 | Hugi Arnarsson | 2015 | 00:11:55 | |||
| 2 | 55 | Már Óskar Bjarnason | 2010 | Umf. Þjótandi | 00:12:55 | +01:00 | |
| 3 | 28 | Baltasar Leó Ólafsson | 2015 | 00:13:57 | +02:02 | ||
| 4 | 29 | Ingi Hrafn Albertsson | 2015 | 00:14:11 | +02:16 | ||
| 5 | 37 | Gísli Jóhann Vigfússon | 2018 | Umf. Selfoss | 00:14:14 | +02:19 | |
| 6 | 6 | Erwin Thomsen | 1952 | 00:14:31 | +02:36 | ||
| 7 | 56 | Ari Páll Ögmundsson | 1956 | 00:14:33 | +02:38 | ||
| 8 | 48 | Markús Benediktsson | 2017 | Umf. Selfoss | 00:14:50 | +02:55 | |
| 9 | 52 | Ómar Páll Sigurbjartsson | 1992 | 00:15:04 | +03:09 | ||
| 10 | 27 | Kári Hrafn Hjaltason | 2018 | 00:15:05 | +03:10 | ||
| 11 | 51 | Brynjar Atli Ómarsson | 2018 | 00:15:08 | +03:13 | ||
| 12 | 47 | Baldur Logi Benediktsson | 2014 | Umf. Selfoss | 00:15:24 | +03:29 | |
| 13 | 15 | Leó Máni Tómasson | 2018 | 00:15:26 | +03:31 | ||
| 14 | 21 | Alexander Hugi Th Henriksson | 2016 | 00:15:59 | +04:04 | ||
| 15 | 30 | Hróbjartur Vigfússon | 2011 | Umf. Selfoss | 00:16:04 | +04:09 | |
| 16 | 35 | Patrekur Arnar Esrason | 2017 | Umf. Selfoss | 00:16:11 | +04:16 | |
| 17 | 13 | Guðjón Ægir Hjartarson | 2020 | 00:16:21 | +04:26 | ||
| 18 | 12 | Hjörtur Leó Guðjónsson | 1994 | 00:16:21 | +04:26 | ||
| 19 | 14 | Hafsteinn Kári Hjartarson | 2024 | 00:16:21 | +04:26 | ||
| 20 | 9 | Magnús Ingi Þórsson | 1996 | 00:17:00 | +05:05 | ||
| 21 | 11 | Andri Þór Magnússon | 2021 | 00:17:00 | +05:05 | ||
| 22 | 50 | Lýður Pálsson | 1966 | 00:17:06 | +05:11 | ||
| 23 | 5 | Oliver Riskus Ingvarsson | 2020 | 00:17:32 | +05:37 | ||
| 24 | 25 | Emil Matti Ingólfsson | 2021 | Umf. Selfoss | 00:18:26 | +06:31 | |
| 25 | 36 | Elvar Örn Esrason | 2020 | Umf. Selfoss | 00:19:16 | +07:21 | |
| 26 | 39 | Arnaldur Jökull Birgisson | 2020 | Umf. Selfoss | 00:19:48 | +07:53 | |
| 27 | 38 | Birgir Aðalbjarnarson | 1981 | Umf. Selfoss | 00:19:49 | +07:54 | |
| 28 | 17 | Kári Freyr Sindrason | 2021 | 00:24:00 | +12:05 | ||
| 29 | 18 | Sindri Sveinn Sigurðsson | 1990 | 00:24:04 | +12:09 | ||
| 30 | 44 | Valur Freyr Ólafsson | 2021 | 00:26:43 | +14:48 | ||
| 31 | 8 | Valtýr Óskar Magnússon | 2020 | 00:27:03 | +15:08 | ||
| 32 | 49 | Halldór Ingi Benediktsson | 2021 | Umf. Selfoss | 00:29:36 | +17:41 | |
| 33 | 46 | Benedikt Rafnsson | 1985 | Umf. Selfoss | 00:29:39 | +17:44 |