| # | Juoksija | Maratonien määrä | Paras tulos | Ensimmäinen tulos | Viimeinen tulos |
|---|---|---|---|---|---|
| 31981 | Jacob Jungell | 2 | 4:46:24, Espoo, 2019 | 4:46:24, Espoo, 2019 | 5:09:14, Espoo, 2021 |
| 31982 | Jacqueline Villa-Millan, 1977 | 2 | 3:59:54, Stockholm, 2006 | 4:00:51, Stockholm, 2005 | 3:59:54, Stockholm, 2006 |
| 31983 | Jake Sevander, 1992 | 2 | 3:59:27, Oulu, 2022 | 3:59:27, Oulu, 2022 | 4:14:11, Helsinki, 2025 |
| 31984 | Jakob Henriksson, 1977 | 2 | 4:19:09, Stockholm, 2010 | 4:37:13, Stockholm, 2009 | 4:19:09, Stockholm, 2010 |
| 31985 | Jakob Ventin | 2 | 3:37:58, Vaasa, 2024 | 4:22:50, Helsinki, 2011 | 3:37:58, Vaasa, 2024 |
| 31986 | Jakob West, 1988 | 2 | 3:56:26, Helsinki, 2014 | 3:56:26, Helsinki, 2014 | 4:06:12, Helsinki, 2015 |
| 31987 | Jalmari Laurila | 2 | 5:56:16, Koli, 2021 | 6:32:45, Koli, 2020 | 5:56:16, Koli, 2021 |
| 31988 | Jalmari Päivinen, 2002 | 2 | 3:13:46, Helsinki, 2024 | 3:28:05, Helsinki, 2023 | 3:13:46, Helsinki, 2024 |
| 31989 | James Buttimore, 1984 | 2 | 3:03:28, Tuusula, 2025 | 3:04:23, Vantaa, 2024 | 3:03:28, Tuusula, 2025 |
| 31990 | James Mashiri, 1976 | 2 | 3:56:43, Helsinki, 2006 | 3:56:43, Helsinki, 2006 | 4:26:44, Helsinki, 2007 |