| Röð | Árangur | Vindur | Stig | Nafn | Afr | F.ár | Félag | Sería | | | |
| Maraþon - Karla - 27.03.2004 | | | | | | | | | | | |
| 1 | 3:03:10 | | | | Trausti Valdimarsson | 1957 | NÁMSFL.REK | | | | |
| Maraþon - Karla - 10.06.2004 | | | | | | | | | | | |
| | 3:04:39 | | | | Sigþór Kristinn Ágústsson | 1955 | ÍR | | | | |
| Maraþon - Karla - 27.03.2004 | | | | | | | | | | | |
| 2 | 3:05:32 | | | | Þórhallur Jóhannesson | 1953 | FH | | | | |
| 3 | 3:13:35 | | | | Þórður Guðni Sigurvinsson | 1953 | HSK | | | | |
| 4 | 3:19:02 | | | | Magnús Guðmundsson | 1951 | NÁMSFL.REK | | | | |
| 5 | 3:27:16 | | | | Alfreð Ægir Guðmundsson | 1968 | NÁMSFL.REK | | | | |
| 6 | 3:29:40 | | | | Sigmundur Stefánsson | 1953 | HSK | | | | |
| 7 | 3:29:42 | | | | Gunnlaugur A Júlíusson | 1952 | UNÞ | | | | |
| 8 | 3:33:27 | | | | Rúnar Sigurðsson | 1964 | FYLKIR | | | | |
| 9 | 3:34:20 | | | | Svanur Bragason | 1945 | UMSK | | | | |
| 10 | 3:37:22 | | | | Haraldur Þór Guðmundsson | 1966 | TKS | | | | |
| 11 | 3:38:05 | | | | Pétur Ásbjörnsson | 1956 | ÁRBÆJAR | | | | |
| 12 | 3:38:05 | | | | Pétur Haukur Helgason | 1957 | ÁRBÆJAR | | | | |
| Maraþon - Karla - 10.06.2004 | | | | | | | | | | | |
| | 3:40:25 | | | | Kristján Þorbergsson | 1963 | ÍSÍ | | | | |
| Maraþon - Karla - 27.03.2004 | | | | | | | | | | | |
| 13 | 3:47:39 | | | | Lárus H Blöndal | 1950 | NÁMSFL.REK | | | | |
| 14 | 3:48:17 | | | | Pétur Ingi Frantzson | 1955 | NÁMSFL.REK | | | | |
| 15 | 3:53:27 | | | | Pétur Reimarsson | 1951 | ÍSÍ | | | | |
| 16 | 3:56:00 | | | | Garðar Hilmarsson | 1951 | NÁMSFL.REK | | | | |
| 17 | 4:08:59 | | | | Eiríkur Þorsteinsson | 1948 | ÍR | | | | |
| 18 | 4:09:50 | | | | Eiður Sigmar Aðalgeirsson | 1955 | ÍSÍ | | | | |
| 19 | 4:09:50 | | | | Gottskálk Friðgeirsson | 1954 | NÁMSFL.REK | | | | |
| 20 | 4:25:54 | | | | Rögnvaldur Bergþórsson | 1967 | NÁMSFL.REK | | | | |
| 21 | 4:26:26 | | | | Ingólfur Sveinsson | 1939 | FYLKIR | | | | |
| 22 | 5:12:52 | | | | Ketill Arnar Hannesson | 1937 | ÍR | | | | |
| 23 | 5:19:02 | | | | Aðalsteinn Geirsson | 1946 | UMSB | | | | |
| Maraþon - Kvenna - 27.03.2004 | | | | | | | | | | | |
| 1 | 3:48:16 | | | | Elín Ruth Reed | 1963 | NÁMSFL.REK | | | | |
| 2 | 4:05:45 | | | | Ragnheiður Valdimarsdóttir | 1949 | NÁMSFL.REK | | | | |
| 3 | 4:08:59 | | | | Áslaug Helgadóttir | 1953 | ÍR-SKOKK | | | | |
| 4 | 4:59:22 | | | | Bryndís Svavarsdóttir | 1956 | ÍR | | | | |