| # | Juoksija | Maratonien määrä | Paras tulos | Ensimmäinen tulos | Viimeinen tulos |
|---|---|---|---|---|---|
| 31871 | Jaakko Kiiskilä, 1976 | 2 | 3:39:21, Berlin, 2013 | 4:06:52, Stockholm, 2012 | 3:39:21, Berlin, 2013 |
| 31872 | Jaakko Koivumäki, 1977 | 2 | 4:13:02, Stockholm, 2005 | 4:23:22, Kuopio, 2004 | 4:13:02, Stockholm, 2005 |
| 31873 | Jaakko Kölhi, 1985 | 2 | 3:52:19, Espoo, 2012 | 3:56:22, Helsinki, 2011 | 3:52:19, Espoo, 2012 |
| 31874 | Jaakko Komulainen, 1974 | 2 | 4:50:31, Stockholm, 2009 | 5:07:27, Stockholm, 2008 | 4:50:31, Stockholm, 2009 |
| 31875 | Jaakko Koppinen, 1969 | 2 | 4:57:54, Stockholm, 2007 | 4:57:54, Stockholm, 2007 | 4:58:40, Stockholm, 2008 |
| 31876 | Jaakko Korkeaniemi | 2 | 4:23:28, Helsinki, 2014 | 4:51:48, Helsinki, 2008 | 4:23:28, Helsinki, 2014 |
| 31877 | Jaakko Koskelo | 2 | 3:52:38, Jyväskylä, 2008 | 3:52:38, Jyväskylä, 2008 | 4:16:36, Jyväskylä, 2015 |
| 31878 | Jaakko Koskivirta, 1973 | 2 | 5:10:01, Stockholm, 2005 | 5:10:01, Stockholm, 2005 | 5:27:21, Stockholm, 2006 |
| 31879 | Jaakko Kotisaari | 2 | 3:41:52, Jyväskylä, 2009 | 3:41:52, Jyväskylä, 2009 | 3:49:40, Vantaa, 2014 |
| 31880 | Jaakko Kujala | 2 | 4:13:56, Stockholm, 2021 | 4:33:49, Tuusula, 2007 | 4:13:56, Stockholm, 2021 |