| Event: | Men's 25 km |
| Championship: | 2001 World Aquatics Championships |
| Dates: | 21 July |
| Location: | Fukuoka, Japan |
| Prev: | 1998 |
| Next: | 2003 |
See main article: Open water swimming at the 2001 World Aquatics Championships.
The Men's 25 km Open Water event at the 2001 World Aquatics Championships was held on July 21, 2001 in Fukuoka.
| Rank | Swimmer | Nationality | 12.5 km | Time | |
|---|---|---|---|---|---|
| 2:40:04 | 5:25:32 | ||||
| 2:40:01 | 5:26:00 | ||||
| 2:39:53 | 5:26:36 | ||||
| 4 | 2:40:00 | 5:28:16 | |||
| 5 | 2:40:05 | 5:29:17 | |||
| 6 | 2:39:48 | 5:31:53 | |||
| 7 | 2:39:56 | 5:33:36 | |||
| 8 | 2:40:26 | 5:34:37 | |||
| 9 | 2:40:07 | 5:35:22 | |||
| 10 | 2:40:06 | 5:36:21 | |||
| 11 | 2:40:23 | 5:37:53 | |||
| 12 | 2:40:03 | 5:39:26 | |||
| 13 | 2:40:40 | 5:40:24 | |||
| 14 | 2:41:16 | 5:42:49 | |||
| 15 | 2:42:27 | 5:44:15 | |||
| 16 | 2:40:37 | 5:48:16 | |||
| 17 | 2:40:24 | 5:56:19 | |||
| 18 | 2:40:22 | 5:56:19 | |||
| 19 | 2:54:26 | 6:00:03 | |||
| 20 | 2:54:20 | 6:04:28 | |||
| 21 | 3:00:13 | 6:05:57 | |||
| 22 | 2:58:34 | 6:13:02 | |||
| 23 | 2:54:34 | 6:16:45 | |||
| 24 | 2:57:55 | 6:37:51 | |||
| -- | 2:46:57 | DNF |
Key: DNF = Did not finish, DQ = Disqualified