# Swimming at the 2013 World Aquatics Championships – Men's 100 metre backstroke

The men's 100 metre backstroke event in swimming at the 2013 World Aquatics Championships took place on 29–30 July at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:
| World record | Aaron Peirsol (USA) | 51.94 | Indianapolis, United States | 8 July 2009 |
| Competition record | Aaron Peirsol (USA) | 52.19 | Rome, Italy | 2 August 2009 |

## Results
### Heats

The heats were held at 10:14.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 6 | Ashley Delaney | Australia | 53.60 | Q |
| 2 | 5 | 5 | David Plummer | United States | 53.62 | Q |
| 3 | 6 | 7 | Xu Jiayu | China | 53.63 | Q |
| 4 | 5 | 4 | Ryosuke Irie | Japan | 53.66 | Q |
| 5 | 4 | 4 | Jérémy Stravius | France | 53.85 | Q |
| 6 | 6 | 4 | Matt Grevers | United States | 53.92 | Q |
| 7 | 6 | 5 | Kosuke Hagino | Japan | 53.94 | Q |
| 8 | 4 | 3 | László Cseh | Hungary | 54.06 | Q |
| 9 | 5 | 2 | Bastiaan Lijesen | Netherlands | 54.07 | Q |
| 10 | 4 | 2 | Radosław Kawęcki | Poland | 54.20 | Q |
| 10 | 5 | 6 | Camille Lacourt | France | 54.20 | Q |
| 12 | 5 | 3 | Chris Walker-Hebborn | Great Britain | 54.23 | Q |
| 13 | 4 | 5 | Cheng Feiyi | China | 54.30 | Q |
| 14 | 6 | 3 | Gareth Kean | New Zealand | 54.37 | Q |
| 15 | 1 | 5 | Darren Murray | South Africa | 54.64 | Q |
| 16 | 4 | 6 | Charles Francis | Canada | 54.72 | Q |
| 17 | 6 | 2 | Aschwin Wildeboer | Spain | 54.75 | |
| 18 | 5 | 7 | Mirco di Tora | Italy | 54.76 | |
| 19 | 6 | 1 | Yakov-Yan Toumarkin | Israel | 54.85 | |
| 20 | 5 | 9 | Federico Grabich | Argentina | 55.03 | |
| 21 | 5 | 1 | Daniel Orzechowski | Brazil | 55.09 | |
| 22 | 4 | 7 | Pavel Sankovich | Belarus | 55.13 | |
| 23 | 6 | 8 | Lavrans Solli | Norway | 55.52 | |
| 24 | 6 | 9 | I Gede Siman Sudartawa | Indonesia | 55.55 | |
| 25 | 4 | 0 | Danas Rapšys | Lithuania | 55.68 | |
| 26 | 5 | 0 | Alexandr Tarabrin | Kazakhstan | 55.70 | |
| 27 | 4 | 1 | Felix Wolf | Germany | 55.88 | |
| 28 | 6 | 0 | Lukas Räuftlin | Switzerland | 56.11 | |
| 29 | 5 | 8 | Pedro Medel | Cuba | 56.12 | |
| 30 | 3 | 5 | Martin Baďura | Czech Republic | 56.19 | |
| 31 | 3 | 6 | Charles Hockin | Paraguay | 56.50 | |
| 32 | 3 | 3 | Danil Bukin | Uzbekistan | 56.63 | |
| 33 | 4 | 9 | Guven Duvan | Turkey | 56.78 | |
| 34 | 3 | 4 | Jean-François Schneiders | Luxembourg | 56.88 | |
| 35 | 4 | 8 | Shin Hee-Wong | South Korea | 56.95 | |
| 36 | 3 | 9 | Boris Kirillov | Azerbaijan | 58.17 | |
| 37 | 3 | 8 | Ngou Pok Man | Macau | 58.26 | |
| 38 | 3 | 7 | Heshan Unamboowe | Sri Lanka | 58.49 | |
| 39 | 2 | 4 | Artiom Gladun | Moldova | 58.60 | |
| 40 | 3 | 0 | Jean Luis Gómez | Dominican Republic | 59.30 | |
| 41 | 3 | 1 | Awse Ma'aya | Jordan | 59.75 | |
| 42 | 3 | 2 | Khachik Plavchyan | Armenia | 59.79 | NR |
| 43 | 2 | 3 | Gorazd Chepishevski | North Macedonia | 1:00.11 | |
| 44 | 2 | 5 | Rodrigo Soriano | El Salvador | 1:00.79 | |
| 45 | 2 | 6 | Jordan Augier | Saint Lucia | 1:00.99 | NR |
| 46 | 2 | 2 | Hamdan Bayusuf | Kenya | 1:01.05 | |
| 47 | 2 | 7 | Eisner Barberena | Nicaragua | 1:01.44 | |
| 48 | 1 | 3 | Maroun Waked | Lebanon | 1:02.23 | |
| 49 | 2 | 1 | Yaaqoub Al-Saadi | United Arab Emirates | 1:02.97 | |
| 50 | 2 | 8 | Victor Torres | U.S. Virgin Islands | 1:04.41 | |
| 51 | 2 | 0 | Erdenemunkh Demuul | Mongolia | 1:05.18 | |
| 52 | 1 | 4 | Faraj Saleh Faraj Sultan | Bahrain | 1:05.67 | |
| 53 | 2 | 9 | Andrianirina Lalanomena | Madagascar | 1:06.10 | |

### Semifinals

The semifinals were held at 18:18.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Matt Grevers | United States | 52.97 | Q |
| 2 | 4 | David Plummer | United States | 53.10 | Q |
| 3 | 5 | Ryosuke Irie | Japan | 53.41 | Q |
| 4 | 1 | Gareth Kean | New Zealand | 53.81 | Q |
| 5 | 2 | Radosław Kawęcki | Poland | 53.82 | |
| 6 | 7 | Chris Walker-Hebborn | Great Britain | 53.96 | |
| 7 | 6 | László Cseh | Hungary | 54.00 | |
| 8 | 8 | Charles Francis | Canada | 54.96 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Jérémy Stravius | France | 53.23 | Q |
| 2 | 7 | Camille Lacourt | France | 53.42 | Q |
| 3 | 6 | Kosuke Hagino | Japan | 53.68 | Q |
| 4 | 4 | Ashley Delaney | Australia | 53.74 | Q |
| 5 | 5 | Xu Jiayu | China | 53.84 | |
| 6 | 2 | Bastiaan Lijesen | Netherlands | 53.92 | |
| 7 | 1 | Cheng Feiyi | China | 54.20 | |
| 8 | 8 | Darren Murray | South Africa | 55.02 | |

### Final

The final was held at 19:06.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Matt Grevers | United States | 52.93 |
| | 5 | David Plummer | United States | 53.12 |
| | 3 | Jérémy Stravius | France | 53.21 |
| 4 | 6 | Ryosuke Irie | Japan | 53.29 |
| 5 | 2 | Camille Lacourt | France | 53.51 |
| 6 | 1 | Ashley Delaney | Australia | 53.55 |
| 7 | 7 | Kosuke Hagino | Japan | 53.93 |
| 8 | 8 | Gareth Kean | New Zealand | 54.25 |