400 metres Freestyle, Men
Participants
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Juan Martín Pereyra |  ARG |
| 2 | Grant Hackett |  AUS |
| 3 | Craig Stevens | AUS |
| 4 | David Brandl |  AUT |
| 5 | Ryan Cochrane |  CAN |
| 6 | Sun Yang |  CHN |
| 7 | Zhang Lin | CHN |
| 8 | Květoslav Svoboda |  CZE |
| 9 | Mads Glæsner |  DEN |
| 10 | Jon Rud | DEN |
| 11 | Nicolas Rostoucher |  FRA |
| 12 | Sébastien Rouault | FRA |
| 13 | David Carry |  GBR |
| 14 | Dean Milwain | GBR |
| 15 | Paul Biedermann |  GER |
| 16 | Christian Kubusch | GER |
| 17 | Spyros Gianniotis |  GRE |
| 18 | Balázs Gercsák |  HUN |
| 19 | Federico Colbertaldo |  ITA |
| 20 | Massi Rosolino | ITA |
| 21 | Takeshi Matsuda |  JPN |
| 22 | Oleg Rabota |  KAZ |
| 23 | Park Tae-Hwan |  KOR |
| 24 | Gard Kvale |  NOR |
| 25 | Paweł Korzeniowski |  POL |
| 26 | Przemysław Stańczyk | POL |
| 27 | Dragoș Coman |  ROU |
| 28 | Jean Basson |  RSA |
| 29 | Nikita Lobintsev |  RUS |
| 30 | Yury Prilukov | RUS |
| 31 | Dominik Meichtry |  SUI |
| 32 | Oussama Mellouli |  TUN |
| 33 | Serhiy Fesenko |  UKR |
| 34 | Larsen Jensen |  USA |
| 35 | Peter Vanderkaay | USA |
| 36 | Daniele Tirabassi |  VEN |
Non-starters
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Luka Turk |  SLO |