| Rank | BIB | Name | Year | Club | Split | Time | ||
|---|---|---|---|---|---|---|---|---|
| 1 | 223 | Sigursveinn Sigurðsson | 1980 | Frískir flóamenn | 00:14:55 (4 KM) | 00:29:58 | ||
| 2 | 284 | Birgir Steinn Steinþórsson | 1988 | Frískir Flóamenn | 00:20:46 (4 KM) | 00:39:34 | +09:36 | |
| 3 | 277 | Davíð Jónsson | 1971 | 00:20:19 (4 KM) | 00:40:06 | +10:08 | ||
| 4 | 229 | Arnar Eggertsson | 1989 | 00:25:14 (4 KM) | 00:48:42 | +18:44 | ||
| 5 | 228 | Ólafur Jóhannsson | 1965 | 00:24:39 (4 KM) | 00:48:46 | +18:48 | ||
| 6 | 316 | Kim E Virkler | 1956 | Marathon Expedition | 00:29:03 (4 KM) | 00:56:42 | +26:44 | |
| 7 | 310 | David Quantock | 1958 | Marathon Expedition | 00:31:05 (4 KM) | 01:03:26 | +33:28 | |
| 8 | 353 | Ray Steven Bebee | 1958 | Marathon Expedition | 00:34:31 (4 KM) | 01:05:54 | +35:56 | |
| 9 | 299 | Landon Karnes | 2010 | Marathon Expedition | 00:31:25 (4 KM) | 01:10:10 | +40:12 | |
| 10 | 298 | Brian Karnes | 1976 | Marathon Expedition | 00:32:35 (4 KM) | 01:10:23 | +40:25 | |
| 11 | 357 | Michael Remier | 1963 | Marathon Expedition | 00:38:07 (4 KM) | 01:15:40 | +45:42 | |
| 12 | 314 | Andrew Earl Virkler | 1960 | Marathon Expedition | 00:36:56 (4 KM) | 01:16:27 | +46:29 | |
| 13 | 351 | Jim Moore | 1956 | Marathon Expedition | 00:39:27 (4 KM) | 01:20:49 | +50:51 | |
| 14 | 308 | Daniel Sanders | 1955 | Marathon Expedition | 00:40:11 (4 KM) | 01:21:46 | +51:48 | |
| 15 | 358 | Curtis Keithley | 1965 | Marathon Expedition | 00:51:09 (4 KM) | 01:50:03 | +01:20:05 |