| # | Juoksija | Osallistumisia | Paras tulos | Ensimmäinen tulos | Viimeinen tulos |
|---|---|---|---|---|---|
| 13901 | Olli Vuorikivi | 3 | 3:43:10, 1983 | 3:57:11, 1982 | 3:47:33, 1986 |
| 13902 | Olli-P Oksanen | 3 | 3:40:06, 1992 | 3:48:05, 1991 | 3:42:51, 1993 |
| 13903 | Olli-Pekka Pärssinen, 1971 | 3 | 3:57:17, 2002 | 3:57:17, 2002 | 4:26:36, 2024 |
| 13904 | Olli-Pekka Saari | 3 | 3:59:01, 1989 | 4:44:20, 1984 | 3:59:01, 1989 |
| 13905 | Olli-Pekka Siltala, 1977 | 3 | 4:08:03, 2010 | 4:27:02, 2007 | 4:17:49, 2012 |
| 13906 | Olof Eklöf | 3 | 3:17:36, 1983 | 3:55:43, 1981 | 3:17:36, 1983 |
| 13907 | Olov Axelsson | 3 | 4:25:23, 1987 | 4:25:23, 1987 | 5:06:25, 1989 |
| 13908 | Onni Niemelä | 3 | 3:36:18, 2006 | 4:08:19, 2004 | 3:36:18, 2006 |
| 13909 | Orvo Kähärä | 3 | 4:09:33, 1983 | 4:09:33, 1983 | 4:18:06, 2002 |
| 13910 | Oscar Lassenius, 1981 | 3 | 4:47:26, 2014 | 5:03:22, 2011 | 5:01:42, 2015 |
| 13911 | Oscar Puig, 1969 | 3 | 3:43:12, 2011 | 4:06:10, 2008 | 3:43:12, 2011 |
| 13912 | Oskari Lappalainen, 1992 | 3 | 3:09:11, 2026 | 4:06:27, 2021 | 3:09:11, 2026 |
| 13913 | Oskari Rainikka, 1999 | 3 | 3:55:18, 2025 | 4:22:35, 2024 | 4:02:06, 2026 |
| 13914 | Oskari Saarto, 1989 | 3 | 3:19:23, 2009 | 3:41:41, 2008 | 3:54:47, 2010 |
| 13915 | Oskari Skyttä, 1989 | 3 | 4:21:52, 2015 | 4:37:55, 2014 | 4:54:05, 2016 |
| 13916 | Osmo Arffman, 1954 | 3 | 4:36:47, 2006 | 4:51:39, 2000 | 4:36:47, 2006 |
| 13917 | Osmo Korvenranta, 1962 | 3 | 3:37:14, 1986 | 3:37:14, 1986 | 4:04:16, 2004 |
| 13918 | Osmo Kulla, 1951 | 3 | 3:16:06, 1995 | 3:16:06, 1995 | 4:33:07, 2002 |
| 13919 | Osmo Laine, 1945 | 3 | 3:55:53, 1996 | 4:47:17, 1995 | 4:32:33, 1997 |
| 13920 | Osmo Olavi Koivunen | 3 | 4:07:54, 1982 | 4:07:54, 1982 | 4:47:19, 1989 |
| 13921 | Osmo Pylväläinen, 1953 | 3 | 4:48:35, 2004 | 4:50:32, 2003 | 4:52:26, 2005 |
| 13922 | Osmo Reinikainen | 3 | 2:58:02, 1989 | 3:17:03, 1986 | 2:58:02, 1989 |
| 13923 | Osmo Rekonen | 3 | 4:19:59, 1987 | 4:19:59, 1987 | 4:51:23, 1993 |
| 13924 | Osmo Ukkonen | 3 | 4:12:41, 1987 | 4:21:49, 1986 | 4:27:28, 1988 |
| 13925 | Ossi Äikää, 1970 | 3 | 4:16:38, 2008 | 4:44:28, 2006 | 4:16:38, 2008 |