| Rank | BIB | Name | Year | Club | Time | |
|---|---|---|---|---|---|---|
| 1 | 238 | Hannes Jóhannsson | 1993 | 00:18:59 | ||
| 2 | 368 | Leó Viðarsson | 2002 | 00:20:02 | +01:03 | |
| 3 | 245 | Hjálmar Jónsson | 1980 | Dugnaður | 00:21:14 | +02:15 |
| 4 | 249 | Jón Gunnar Þorsteinsson | 1970 | Richa 116 | 00:21:44 | +02:45 |
| 5 | 214 | Andri Þór Gylfason | 1991 | Eyjaskokk/Dugnaður | 00:22:50 | +03:51 |
| 6 | 254 | Kristófer Gautason | 1997 | 00:22:56 | +03:57 | |
| 7 | 250 | Jón Páll Pálsson | 1970 | ÍA | 00:23:36 | +04:37 |
| 8 | 224 | Brynjar Ingi Narfason | 2007 | 00:24:11 | +05:12 | |
| 9 | 260 | Narfi Ísak Geirsson | 1981 | 00:24:34 | +05:35 | |
| 10 | 268 | Sigurður Valur Sigursveinsson | 2008 | 00:24:47 | +05:48 | |
| 11 | 240 | Heiðmar Þór Magnússon | 2008 | 00:25:35 | +06:36 | |
| 12 | 237 | Hakon Bergmann Óttarsson | 1969 | vintrio | 00:26:30 | +07:31 |
| 13 | 213 | Andri Magnússon | 2007 | 00:26:57 | +07:58 | |
| 14 | 271 | Stefán Snær Stefánsson | 1992 | 00:27:15 | +08:16 | |
| 15 | 285 | Arnór Sigmarsson | 2010 | 00:30:23 | +11:24 | |
| 16 | 284 | Sigmar Helgason | 1970 | 00:30:26 | +11:27 | |
| 17 | 220 | Benjamín Bjarnason | 1993 | 00:30:54 | +11:55 | |
| 18 | 222 | Bjarki Fannar Atlason | 1982 | 00:31:01 | +12:02 | |
| 19 | 370 | Ari Páll Hjarðar | 2011 | 00:31:31 | +12:32 | |
| 20 | 232 | Guðmundur Huginn Guðmundsson | 2008 | 00:31:34 | +12:35 | |
| 21 | 212 | Andrés Þorsteinn Sigurðsson | 1962 | 00:31:47 | +12:48 | |
| 22 | 227 | Elías Birkir Sigurjónsson | 2010 | The Jedis | 00:32:58 | +13:59 |
| 23 | 269 | Sigurjón Hallgrímsson | 1990 | The Jedis | 00:33:00 | +14:01 |
| 24 | 251 | Kári Minghui Þorgeirssson | 2009 | 00:34:38 | +15:39 | |
| 25 | 277 | Þorgeir Jóhannes Kjartansson | 1971 | Hlaupahópur VSB | 00:34:40 | +15:41 |
| 26 | 218 | Anton Karl Sindrason | 2003 | Stuðningshópur 50+ | 00:37:19 | +18:20 |
| 27 | 252 | Kjartan Valur Þorgeirsson | 2003 | 00:38:31 | +19:32 | |
| 28 | 231 | Eyjólfur Jökull Elíasson | 2011 | Ibv | 00:38:41 | +19:42 |
| 29 | 259 | Magnús Stefánsson | 1984 | 00:40:06 | +21:07 | |
| 30 | 226 | Drengur Magnússon | 2020 | 00:40:09 | +21:10 | |
| 31 | 239 | Haraldur Ari Hjaltested | 2011 | 00:43:28 | +24:29 | |
| 32 | 236 | Gunnlaugur Davíð Elíasson | 2010 | Ibv | 00:47:36 | +28:37 |
| 33 | 228 | Elías Ingi Björgvinsson | 1981 | Illugagata 10 | 00:47:38 | +28:39 |
| 34 | 280 | Geir Reynisson | 1969 | Eyjaskokk/Dugnaður | 00:56:32 | +37:33 |