# Swimming at the 2009 World Aquatics Championships – Men's 4 × 100 metre freestyle relay

The men's 4×100 m freestyle relay at the 2009 World Aquatics Championships took place on 26 July 2009 at the Foro Italico in Rome, Italy.

## Records

Prior to this competition, the existing world and competition records were as follows:
| World Record | United States Michael Phelps (47.51) Garrett Weber-Gale (47.02) Cullen Jones (47.65) Jason Lezak (46.06) | 3:08.24 | Beijing, China | 11 August 2008 |
| Championship Record | United States Michael Phelps (48.42) Neil Walker (48.31) Cullen Jones (48.67) Jason Lezak (47.32) | 3:12.72 | Melbourne, Australia | 25 March 2007 |
The following records were established during the competition:
| Date | Round | Nation | Time | Record |
| 26 July | Heat 3 | Australia Matthew Abood (48.35) Andrew Lauterstein (48.42) Tommaso D'Orsogna (47.82) Matt Targett (48.07) | 3:12.58 | CR |
| 26 July | Heat 4 | France Amaury Leveaux (48.37) Grégory Mallet (47.78) William Meynard (48.11) Fabien Gilot (47.12) | 3:11.38 | CR |
| 26 July | Heat 5 | Brazil César Cielo Filho (47.39) CR Nicolas Oliveira (47.51) Guilherme Roth (48.15) Fernando Silva (48.21) | 3:11.26 | CR |
| 26 July | Final | United States Michael Phelps (47.78) Ryan Lochte (47.03) Matt Grevers (47.61) Nathan Adrian (46.79) | 3:09.21 | CR |

## Results
### Heats

| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 5 | 6 | Brazil | César Cielo Filho (47.39) CR, AM Nicolas Oliveira (47.51) Guilherme Roth (48.15) Fernando Silva (48.21) | 3:11.26 | CR, SA |
| 2 | 4 | 4 | France | Amaury Leveaux (48.37) Grégory Mallet (47.78) William Meynard (48.11) Fabien Gilot (47.12) | 3:11.38 | |
| 3 | 4 | 3 | Great Britain | Adam Brown (49.01) Simon Burnett (47.57) Liam Tancock (47.74) Ross Davenport (47.30) | 3:11.62 | NR |
| 4 | 5 | 4 | United States | Garrett Weber-Gale (48.30) Matt Grevers (47.55) Ricky Berens (48.19) Cullen Jones (47.60) | 3:11.64 | |
| 5 | 5 | 5 | Italy | Francesco Donin (48.79) Alessandro Calvi (47.88) Marco Orsi (47.89) Christian Galenda (47.20) | 3:11.76 | |
| 6 | 5 | 3 | South Africa | Lyndon Ferns (47.94) AF Darian Townsend (48.02) Roland Mark Schoeman (48.54) Graeme Moore (47.58) | 3:12.08 | AF |
| 7 | 3 | 4 | Australia | Matthew Abood (48.35) Andrew Lauterstein (48.32) Tommaso D'Orsogna (47.84) Matt Targett (48.07) | 3:12.58 | |
| 8 | 3 | 3 | Russia | Yevgeny Lagunov (48.48) Danila Izotov (48.21) Nikita Konovalov (48.46) Alexander Sukhorukov (47.63) | 3:12.78 | NR |
| 9 | 3 | 5 | Canada | Brent Hayden (47.77) Joel Greenshields (48.36) Colin Russell (48.11) Stefan Hirniak (48.72) | 3:12.96 | |
| 10 | 4 | 5 | Sweden | Stefan Nystrand (47.52) NR Lars Frölander (48.12) Simon Sjödin (48.62) Petter Stymne (49.12) | 3:13.38 | |
| 11 | 4 | 2 | Japan | Takuro Fujii (48.87) Rammaru Harada (49.37) Yoshihiro Okumura (47.93) Makoto Ito (49.46) | 3:15.63 | AS |
| 12 | 5 | 2 | Switzerland | Dominik Meichtry (49.02) Flori Lang (48.15) Gregory Widmer (48.63) Aurelien Kunzi (50.33) | 3:16.13 | NR |
| 13 | 4 | 6 | Poland | Konrad Czerniak (48.61) Marcin Tarczyński (48.95) Łukasz Gąsior (48.80) Mateusz Stawinski (49.99) | 3:16.35 | |
| 14 | 4 | 8 | Lithuania | Vytautas Janušaitis (49.50) Paulius Viktoravičius (48.01) Mindaugas Sadauskas (48.90) Mindaugas Margis (50.06) | 3:16.47 | NR |
| 15 | 3 | 6 | China | Chen Zuo (49.70) Lü Zhiwu (49.04) Shi Tengfei (49.27) Cai Li (49.07) | 3:17.08 | |
| 16 | 3 | 2 | Venezuela | Crox Acuña (49.95) Octavio Alesi (49.69) Roberto Gómez (48.84) Albert Subirats (49.31) | 3:17.79 | NR |
| 17 | 2 | 1 | Belgium | Pholien Systermans (50.19) Yoris Grandjean (49.12) Pierre Yves Romanini (49.43) Glenn Surgeloose (49.23) | 3:17.97 | NR |
| 18 | 1 | 4 | Czech Republic | Michal Rubáček (49.46) Martin Verner (48.87) Jan Šefl (50.11) Květoslav Svoboda (50.23) | 3:18.67 | NR |
| 19 | 3 | 0 | Ireland | Barry Murphy (49.98) NR Ryan Harrison (50.87) Conor Leaney (49.51) Karl Burdis (51.41) | 3:21.77 | NR |
| 20 | 5 | 7 | Kazakhstan | Stanislav Kuzmin (50.69) Alexandr Sklyar (50.13) Oleg Rabota (51.34) Artur Dilman (50.79) | 3:22.95 | |
| 21 | 4 | 1 | Uzbekistan | Daniil Tulupov (50.89) Danil Bugakov (50.10) Dmitriy Shvetsov (51.36) Petr Romashkin (51.20) | 3:23.55 | |
| 22 | 5 | 0 | Iran | Emin Noshadi (52.23) Pasha Vahdati Rad (51.37) Saeid Malekae Ashtiani (51.69) Mohammad Bidaryan (51.09) | 3:26.38 | |
| 23 | 3 | 7 | Barbados | Shawn Clarke (50.40) NR Martyn Forde (51.85) Terrence Haynes (50.67) Vaughn Forsythe (54.23) | 3:27.15 | NR |
| 24 | 5 | 1 | Philippines | Miguel Molina (51.84) Kendrick Uy (53.29) Charles William Walker (51.35) Daniel Coakley (51.53) | 3:28.01 | |
| 25 | 5 | 8 | Singapore | Lim Clement (52.35) Lim Wen Hao Joshua (51.16) Tan Xue Wei Nicholas (52.21) Su Shirong Jeffrey (52.40) | 3:28.12 | |
| 26 | 3 | 8 | India | Arjun Jayaprakash (55.25) Rehan Poncha (55.71) Virdhawal Khade (50.78) Ashwin Menon (53.50) | 3:35.24 | |
| 27 | 3 | 1 | Kuwait | Mohammed Madouh (52.58) Humoud Alhumoud (54.62) Abdulrahman Albader (54.12) Marzouq Alsalem (54.29) | 3:35.61 | |
| 28 | 4 | 0 | United Arab Emirates | Obaid Al Jesmi (53.54) Mubarak Al-Besher (56.03) Saeed Al Jesmi (54.84) Mohammed Al Ghaferi (53.54) | 3:37.95 | |
| 29 | 4 | 9 | Senegal | Papa Madiop Ndong (55.79) Matar Samb (54.82) Abdoul Khadre Mbaye Niane (54.84) Malick Fall (52.87) | 3:38.32 | |
| 30 | 2 | 7 | Nigeria | Samson Opuakpo (54.06) Eric Williams (56.55) Pepelate Gbagi (55.73) Yellow Yeiyah (55.05) | 3:41.39 | |
| 31 | 2 | 4 | Armenia | Sergey Pevnev (58.67) Andranik Harutyunyan (53.50) Khachik Plavchyan (58.48) Mikayel Koloyan (51.17) | 3:41.82 | |
| 32 | 2 | 3 | Albania | Endi Babi (54.87) Mario Sulkja (58.16) Eduart Cane (56.48) Sidni Hoxha (52.62) | 3:42.13 | |
| 33 | 1 | 5 | Malta | Neil Agius (55.41) Edward Caruana Dingli (54.90) Andrea Agius (56.05) Mark Sammut (56.33) | 3:42.69 | |
| 34 | 3 | 9 | Macau | Lao Kuan Fong (54.26) Antonio Tong (55.86) Wong Wing Cheung Victor (54.93) Chong Cheok Kuan (58.24) | 3:43.29 | |
| 35 | 2 | 5 | Mauritius | Ronny Vencatachellum (56.24) Mathieu Marquet (57.41) Jean Hugues Gregoire (54.96) Jean Marie Froget (56.47) | 3:45.08 | |
| 36 | 1 | 3 | Mozambique | Leonel Matonse (55.50) Ivo Chilaule (55.62) Gerusio Matonse (58.30) Patricio Vera (56.00) | 3:45.42 | |
| 37 | 2 | 6 | Papua New Guinea | Ryan Pini (50.13) Daniel Kevin Pryke (56.59) Ian Bond Wolongkatop Nakmai (1:02.57) Peter Popahun Pokawin (56.48) | 3:45.77 | |
| 38 | 2 | 2 | Northern Mariana Islands | Eli Ebenezer Wong (56.03) Cooper Graf (1:01.94) Shin Kimura (1:03.72) Kailan Staal (56.14) | 3:57.83 | |
| - | 2 | 8 | Croatia | | DNS | |
| - | 5 | 9 | Saudi Arabia | | DNS | |
| - | 4 | 7 | Colombia | | DQ | |

### Final

| Rank | Lane | Nation | Swimmers | Time | Note |
| | 6 | United States | Michael Phelps (47.78) Ryan Lochte (47.03) Matt Grevers (47.61) Nathan Adrian (46.79) | 3:09.21 | CR |
| | 8 | Russia | Yevgeny Lagunov (47.90) Andrey Grechin (47.00) Danila Izotov (47.23) Alexander Sukhorukov (47.39) | 3:09.52 | NR |
| | 5 | France | Fabien Gilot (47.73) Alain Bernard (46.46) Grégory Mallet (48.28) Frédérick Bousquet (47.42) | 3:09.89 | |
| 4 | 4 | Brazil | César Cielo Filho (47.09) CR, AM Nicolas Oliveira (47.39) Guilherme Roth (48.15) Fernando Silva (48.17) | 3:10.80 | SA |
| 5 | 2 | Italy | Alessandro Calvi (49.03) Christian Galenda (47.60) Marco Orsi (47.91) Filippo Magnini (47.39) | 3:11.93 | |
| 5 | 7 | South Africa | Lyndon Ferns (48.32) Graeme Moore (48.05) Darian Townsend (48.05) Roland Mark Schoeman (47.51) | 3:11.93 | AF |
| 7 | 3 | Great Britain | Adam Brown (48.66) Simon Burnett (47.50) Liam Tancock (47.81) Ross Davenport (48.12) | 3:12.09 | |
| 8 | 1 | Australia | Matthew Abood (48.79) Matt Targett (47.49) Andrew Lauterstein (48.41) Tommaso D'Orsogna (47.71) | 3:12.40 | |