Open water swimming at the 2015 World Aquatics Championships – Men's 25 km
The Men's 25 km competition of the open water swimming events at the 2015 World Aquatics Championships was held on 1 August 2015.Results
The race was started at 08:00.
| Rank | Swimmer | Nationality | Time |
| Simone Ruffini | | 4:53:10.7 |
| Alex Meyer | | 4:53:15.1 |
| Matteo Furlan | | 4:54:38.0 |
| 4 | Axel Reymond | | 4:55:55.8 |
| 5 | Erwin Maldonado | | 4:56:00.4 |
| 6 | Sam Sheppard | | 4:56:22.9 |
| 7 | Santiago Enderica | | 4:56:59.4 |
| 8 | Evgeny Drattsev | | 4:57:11.9 |
| 9 | Alexander Studzinski | | 4:59:11.9 |
| 10 | David Heron | | 5:00:11.5 |
| 11 | Andreas Waschburger | | 5:00:19.2 |
| 12 | Yuval Safra | | 5:02:52.9 |
| 13 | Vitaliy Khudyakov | | 5:03:16.3 |
| 14 | Evgenij Pop Acev | | 5:04:43.4 |
| 15 | Matěj Kozubek | | 5:05:22.3 |
| 16 | Allan do Carmo | | 5:06:27.9 |
| 17 | Jarrod Poort | | 5:07:44.5 |
| 18 | Diogo Villarinho | | 5:11:04.2 |
| 19 | Vít Ingeduld | | 5:13:11.0 |
| 20 | Dániel Székelyi | | 5:15:03.4 |
| 21 | Roman Karyakin | | 5:15:53.8 |
| 22 | Ye Qianpeng | | 5:19:01.5 |
| 23 | Nico Manoussakis | | 5:20:47.2 |
| 24 | Saleh Mohammad | | 5:31:21.1 |
| Marc-Antoine Olivier | | DNF |
| Haythem Abdelkhalek | | DNF |
| Shahar Resman | | DNF |
| Marcel Schouten | | DNF |
| Christopher Bryan | | DNF |
| Guillermo Bertola | | DNF |
| Zhang Zibin | | DNF |
| Gabriel Villagoiz | | DNF |
