| Röð | Árangur | Vindur | Stig | Nafn | Afr | F.ár | Félag | Sería | | | |
| Maraþon - Karla - 18.05.2003 | | | | | | | | | | | |
| 1 | 2:48:41 | | | | Daníel Smári Guðmundsson | 1961 | FH | | | | |
| 2 | 3:02:13 | | | | Pétur Haukur Helgason | 1957 | ÁRBÆJAR | | | | |
| 3 | 3:03:30 | | | | Trausti Valdimarsson | 1957 | NÁMSFL.REK | | | | |
| 4 | 3:08:54 | | | | Guðjón Guðmundsson | 1952 | ÍSÍ | | | | |
| 5 | 3:15:43 | | | | Alfreð Ægir Guðmundsson | 1968 | NÁMSFL.REK | | | | |
| 6 | 3:18:15 | | | | Lúðvík Björgvinsson | 1960 | ÁRBÆJAR | | | | |
| 7 | 3:22:23 | | | | Gunnar Stefán Richter | 1968 | NÁMSFL.REK | | | | |
| 8 | 3:24:01 | | | | Karl Gísli Gíslason | 1960 | FJÖLNIR | | | | |
| 9 | 3:24:24 | | | | Pétur Ingi Frantzson | 1955 | NÁMSFL.REK | | | | |
| 10 | 3:24:50 | | | | Magnús Guðmundsson | 1951 | NÁMSFL.REK | | | | |
| 11 | 3:26:12 | | | | Kári Jón Halldórsson | 1952 | ÁRBÆJAR | | | | |
| 12 | 3:36:19 | | | | Eyjólfur Stefán Þórðarson | 1969 | VIDAR | | | | |
| 13 | 3:40:56 | | | | Karl Jóhann Rafnarsson | 1959 | ÍSÍ | | | | |
| 14 | 3:41:16 | | | | Þór Gústafsson | 1979 | ÍSÍ | | | | |
| 15 | 3:45:33 | | | | Erlendur Sturla Birgisson | 1956 | ÁRBÆJAR | | | | |
| 16 | 3:50:53 | | | | Eyjólfur Guðmundsson | 1957 | ÁRBÆJAR | | | | |
| 17 | 3:52:34 | | | | Eiríkur Þorsteinsson | 1948 | ÍR | | | | |
| 18 | 3:55:08 | | | | Kristján Sveinsson | 1960 | LHR | | | | |
| 21 | 3:58:32 | | | | Sigurður Guðmundsson | 1949 | ÍR | | | | |
| 22 | 4:03:19 | | | | Friðrik Wendel | 1953 | NÁMSFL.REK | | | | |
| 23 | 4:08:05 | | | | Bernharður Guðmundsson | 1984 | HSV | | | | |
| 24 | 4:21:36 | | | | Páll Gestsson | 1967 | ÍSÍ | | | | |
| 26 | 4:28:34 | | | | Jörundur Sv Guðmundsson | 1941 | TKS | | | | |
| 28 | 4:52:52 | | | | Daníel Haraldsson | 1979 | ÍSÍ | | | | |
| Maraþon - Kvenna - 18.05.2003 | | | | | | | | | | | |
| 1 | 3:37:01 | | | | Guðný Þöll Aðalsteinsdóttir | 1955 | ÁRBÆJAR | | | | |
| 2 | 3:42:40 | | | | Þóra Jóhanna Hjaltadóttir | 1963 | ÁRBÆJAR | | | | |
| 3 | 3:48:03 | | | | Katrín Þórarinsdóttir | 1958 | ÍR | | | | |
| 4 | 3:51:59 | | | | Áslaug Ösp Aðalsteinsdóttir | 1952 | ÁRBÆJAR | | | | |
| 19 | 3:55:28 | | | | Steinunn Jónsdóttir | 1968 | ÍSÍ | | | | |
| 20 | 3:58:22 | | | | Sif Jónsdóttir | 1959 | ÍSÍ | | | | |
| 25 | 4:26:50 | | | | Júlíana Guðrún Reynisdóttir | 1960 | ÍSÍ | | | | |
| 27 | 4:45:16 | | | | Sólveig Birna Karlsdóttir | 1969 | NÁMSFL.REK | | | | |
| 5 | 4:49:12 | | | | Halla Guðbjörg Pálsdóttir | 1965 | ÍSÍ | | | | |
| 6 | 4:53:33 | | | | Lína Gunnarsdóttir | 1948 | UFA | | | | |