# Wereldkampioenschappen zwemmen 2009 - 400 meter wisselslag mannen

De 400 meter wisselslag mannen op de Wereldkampioenschappen zwemmen 2009 vond plaats op 2 augustus 2009, series en finale. Omdat het zwembad waarin de wedstrijd gehouden werd 50 meter lang is, bestond de race uit acht baantjes. Na afloop van de series kwalificeerden de acht snelste zwemmers zich voor de finale. Regerend wereldkampioen was de Amerikaan Michael Phelps.

## Podium

| 1 | 1 | 2 | 2 | 3 | 3 |
| Ryan Lochte | USA | Tyler Clary | USA | László Cseh | HUN |

## Records

Voorafgaand aan het toernooi waren dit het wereldrecord en het kampioenschapsrecord
| Wereldrecord | Michael Phelps | 4.03,86 | Peking, China | 10 augustus 2008 |
| Kampioenschapsrecord | Michael Phelps | 4.06,22 | Melbourne, Australië | 1 april 2007 |

## Uitslagen
### Series

| Rang | Naam | Nationaliteit | Tijd | Serie | Baan |
| 1 | Tyler Clary | USA | 6 | 4 | 4:10.04 |
| 2 | László Cseh | HUN | 7 | 4 | 4:10.33 |
| 3 | Gergő Kis | HUN | 7 | 5 | 4:10.99 |
| 4 | Ryan Lochte | USA | 8 | 4 | 4:11.05 |
| 5 | Thomas Haffield | GBR | 6 | 3 | 4:11.32 |
| 6 | Gal Nevo | ISR | 7 | 2 | 4:11.51 |
| 7 | Luca Marin | ITA | 8 | 5 | 4:12.66 |
| 8 | Thiago Pereira | BRA | 8 | 3 | 4:13.05 |
| 9 | Yuya Horihata | JPN | 6 | 6 | 4:14.43 |
| 10 | Alessio Boggiatto | ITA | 6 | 5 | 4:14.56 |
| 11 | Mateusz Matczak | POL | 8 | 7 | 4:14.57 |
| 12 | Ken Takakuwa | JPN | 8 | 6 | 4:14.73 |
| 13 | Riaan Schoeman | RSA | 7 | 3 | 4:15.50 |
| 14 | Leith Brodie | AUS | 4 | 2 | 4:15.52 |
| 15 | Chris Boe Christensen | DEN | 5 | 5 | 4:16.78 |
| 16 | Chad Le Clos | RSA | 7 | 1 | 4:17.39 |
| 17 | Lewis Smith | GBR | 6 | 2 | 4:17.56 |
| 18 | Diogo Carvalho | POR | 6 | 8 | 4:18.08 |
| 19 | Weijia Liu | CHN | 6 | 7 | 4:18.11 |
| 20 | Dinko Jukic | AUT | 8 | 1 | 4:18.38 |
| 21 | Yannick Lebherz | GER | 7 | 7 | 4:18.43 |
| 22 | Stephen Parkes | AUS | 8 | 8 | 4:18.60 |
| 23 | Vadym Lepskii | UKR | 5 | 7 | 4:18.88 |
| 24 | Jordan Hartney | CAN | 6 | 1 | 4:20.15 |
| 25 | Omar A. Pinzon Garcia | COL | 7 | 9 | 4:20.98 |
| 26 | Carlos Almeida | POR | 5 | 6 | 4:21.36 |
| 27 | Dominik Dur | AUT | 8 | 0 | 4:22.04 |
| 28 | Andrey Krylov | RUS | 7 | 6 | 4:22.29 |
| 29 | Dmitriy Gordiyenko | KAZ | 5 | 3 | 4:22.84 |
| 30 | Niksa Roki | CRO | 5 | 4 | 4:25.40 |
| 31 | Pedro Pinotes | ANG | 4 | 6 | 4:25.62 |
| 32 | Miguel Molina | PHI | 6 | 0 | 4:26.27 |
| 33 | Henrique Rodrigues | BRA | 7 | 8 | 4:26.39 |
| 34 | Vytautas Janusaitis | LTU | 7 | 0 | 4:26.52 |
| 35 | Raphael Stacchiotti | LUX | 4 | 4 | 4:26.63 |
| 36 | Taki M'rabet | TUN | 6 | 9 | 4:26.98 |
| 37 | Anders Mcintyre | CAN | 5 | 2 | 4:27.78 |
| 38 | Jan Karel Petric | SLO | 4 | 1 | 4:29.15 |
| 39 | Aleksey Derlyugov | UZB | 4 | 7 | 4:29.49 |
| 40 | Ezequiel Trujillo | MEX | 5 | 9 | 4:29.81 |
| 41 | Raul Lopez | MEX | 5 | 0 | 4:30.91 |
| 42 | Rehan Poncha | IND | 3 | 3 | 4:31.34 |
| 43 | JuiTing Chien | TPE | 4 | 3 | 4:31.99 |
| 44 | Esteban Enderica | ECU | 3 | 8 | 4:33.73 |
| 45 | Benjamin Guzman Blanco | CHI | 4 | 8 | 4:34.43 |
| 46 | Sobitjon Amilov | UZB | 3 | 2 | 4:37.16 |
| 47 | Saeed Malekae Ashtiani | IRI | 2 | 5 | 4:37.65 |
| 48 | Berrada Morad | MAR | 3 | 9 | 4:38.95 |
| 49 | Robert Walsh | PHI | 3 | 5 | 4:40.57 |
| 50 | KaiWen Pan | TPE | 4 | 5 | 4:41.92 |
| 51 | Loai Abdulwahid Tashkandi | KSA | 2 | 2 | 4:42.09 |
| 52 | Rafael Alfaro | ESA | 2 | 3 | 4:42.15 |
| 53 | Ivan Alejandro Enderica | ECU | 3 | 6 | 4:42.62 |
| 54 | Giorgi Mtvralashvili | GEO | 3 | 0 | 4:42.65 |
| 55 | Sheng Jun Pang | SGP | 4 | 0 | 4:43.20 |
| 56 | Ahmed Jebrel | PLE | 2 | 7 | 4:45.73 |
| 57 | Colin Bensadon | GIB | 2 | 6 | 4:47.14 |
| 58 | Nicholas James | ZIM | 1 | 3 | 4:48.21 |
| 59 | Vitalii Khudiakov | KGZ | 2 | 4 | 4:52.96 |
| 60 | Radomyos Matjiur | THA | 3 | 7 | 4:59.20 |
| 61 | Bryson Mays | ISV | 2 | 1 | 4:59.30 |
| 62 | Benjamin Gabbard | ASA | 1 | 5 | 5:05.88 |
| 63 | Vincent Perry | PYF | 2 | 8 | 5:07.98 |

### Finale

| Rang | Baan | Naam | Nationaliteit | Tijd |
| 1 | 6 | Ryan Lochte | USA | 4.07,01 |
| 2 | 4 | Tyler Clary | USA | 4.07,31 |
| 3 | 5 | László Cseh | HUN | 4.07,37 |
| 4 | 8 | Thiago Pereira | BRA | 4.08,86 |
| 5 | 3 | Gergő Kis | HUN | 4.10,40 |
| 6 | 7 | Gal Nevo | ISR | 4.12,33 |
| 7 | 1 | Luca Marin | ITA | 4.13,63 |
| 7 | 2 | Thomas Haffield | GBR | 4.13,63 |

## Bronvermelding

* Uitslag series
* Uitslag finale