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

The men's 100 metre freestyle event in swimming at the 2013 World Aquatics Championships took place on 31 July and 1 August at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:
| World record | César Cielo (BRA) | 46.91 | Rome, Italy | 30 July 2009 |
| Competition record | César Cielo (BRA) | 46.91 | Rome, Italy | 30 July 2009 |

## Results
### Heats

The heats were held at 10:13.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 4 | James Magnussen | Australia | 47.71 | Q |
| 2 | 8 | 6 | Konrad Czerniak | Poland | 48.50 | Q |
| 3 | 8 | 3 | Nikita Lobintsev | Russia | 48.51 | Q |
| 4 | 7 | 7 | Shinri Shioura | Japan | 48.52 | Q |
| 5 | 8 | 5 | Hanser García | Cuba | 48.54 | Q |
| 6 | 7 | 5 | Cameron McEvoy | Australia | 48.59 | Q |
| 7 | 9 | 5 | Vladimir Morozov | Russia | 48.67 | Q |
| 8 | 8 | 7 | Pieter Timmers | Belgium | 48.76 | Q |
| 9 | 7 | 3 | Jimmy Feigen | United States | 48.86 | Q |
| =10 | 7 | 4 | Sebastiaan Verschuren | Netherlands | 48.88 | Q |
| =10 | 9 | 6 | Luca Dotto | Italy | 48.88 | Q |
| 12 | 9 | 4 | Nathan Adrian | United States | 48.93 | Q |
| 13 | 7 | 6 | Filippo Magnini | Italy | 49.02 | Q |
| 14 | 9 | 7 | Fabien Gilot | France | 49.07 | Q |
| 15 | 9 | 3 | Marcelo Chierighini | Brazil | 49.08 | Q |
| 16 | 8 | 2 | Adam Brown | Great Britain | 49.39 | Q |
| 17 | 6 | 7 | Yauhen Tsurkin | Belarus | 49.41 | NR |
| 18 | 7 | 9 | Cristian Quintero | Venezuela | 49.50 | |
| 19 | 9 | 2 | William Meynard | France | 49.59 | |
| 20 | 7 | 1 | Norbert Trandafir | Romania | 49.60 | |
| =21 | 8 | 0 | Martin Verner | Czech Republic | 49.61 | |
| =21 | 9 | 9 | Ben Hockin | Paraguay | 49.61 | NR |
| 23 | 7 | 8 | Kemal Arda Gürdal | Turkey | 49.65 | |
| 24 | 9 | 8 | Krisztián Takács | Hungary | 49.70 | |
| 25 | 7 | 2 | Fernando dos Santos | Brazil | 49.71 | |
| 26 | 6 | 8 | Mario Todorović | Croatia | 49.80 | |
| 27 | 8 | 9 | Oussama Sahnoune | Algeria | 49.81 | |
| 28 | 7 | 0 | Aitor Martínez | Spain | 49.83 | |
| 29 | 9 | 1 | Lü Zhiwu | China | 49.85 | |
| 30 | 6 | 3 | Federico Grabich | Argentina | 49.87 | |
| =31 | 5 | 5 | Geoffrey Cheah | Hong Kong | 49.91 | |
| =31 | 6 | 4 | Mindaugas Sadauskas | Lithuania | 49.91 | |
| =31 | 8 | 1 | Kenta Ito | Japan | 49.91 | |
| 34 | 9 | 0 | Leith Shankland | South Africa | 50.21 | |
| 35 | 6 | 2 | Pjotr Degtjarjov | Estonia | 50.28 | |
| 36 | 8 | 8 | Marco di Carli | Germany | 50.38 | |
| 37 | 6 | 5 | Uvis Kalniņš | Latvia | 50.51 | |
| 38 | 6 | 1 | Joel Greenshields | Canada | 50.54 | |
| 39 | 4 | 7 | Roy-Allan Burch | Bermuda | 50.66 | NR |
| 40 | 6 | 0 | Danny Yeo | Singapore | 50.92 | |
| 41 | 5 | 4 | Boris Stojanović | Serbia | 51.11 | |
| 42 | 5 | 2 | Joshua McLeod | Trinidad and Tobago | 51.47 | |
| 43 | 4 | 9 | Allan Gutiérrez Castro | Honduras | 51.69 | |
| 44 | 5 | 0 | Wang Yu-lian | Chinese Taipei | 51.70 | |
| 45 | 4 | 3 | Enzo Martínez | Uruguay | 51.77 | |
| 46 | 5 | 8 | Davit Sikharulidze | Georgia | 51.81 | |
| 47 | 4 | 0 | Sean Gunn | Zimbabwe | 51.94 | NR |
| 48 | 5 | 6 | Mohammad Madwa | Kuwait | 52.06 | NR |
| 49 | 4 | 5 | Jemal Le Grand | Aruba | 52.07 | |
| 50 | 5 | 1 | Andrew Chetcuti | Malta | 52.08 | |
| 51 | 4 | 6 | Jessie Lacuna | Philippines | 52.10 | |
| 52 | 5 | 3 | Triady Fauzi Sidiq | Indonesia | 52.11 | |
| 53 | 5 | 9 | Sebastián Jahnsen Madico | Peru | 52.20 | |
| 54 | 4 | 4 | Mehdi El Hazzaz | Morocco | 52.54 | |
| 55 | 5 | 7 | Kevin Avila Soto | Guatemala | 52.56 | |
| 56 | 1 | 9 | Bradley Vincent | Mauritius | 52.76 | |
| 57 | 4 | 2 | Andrew Rutherfurd | Bolivia | 52.79 | |
| 58 | 3 | 5 | Anthony Clark | French Polynesia | 52.87 | NR |
| 59 | 3 | 6 | Arsham Mirzaei | Iran | 53.00 | |
| 60 | 3 | 4 | Vahan Mhkitaryan | Armenia | 53.06 | |
| 61 | 4 | 1 | Abdoul Niane | Senegal | 53.46 | |
| 62 | 6 | 9 | Virdhawal Khade | India | 53.47 | |
| 63 | 4 | 8 | Jose Montoya | Costa Rica | 53.48 | |
| 64 | 3 | 3 | Esau Simpson | Grenada | 53.66 | |
| 65 | 3 | 2 | Joshua Daniel | Saint Lucia | 53.69 | |
| 66 | 3 | 1 | Christopher Duenas | Guam | 53.88 | |
| 67 | 3 | 7 | Lei Cheok Fong | Macau | 54.93 | |
| 68 | 3 | 8 | Ahmed Al-Dulaimi | Iraq | 55.13 | |
| 69 | 2 | 6 | Stanford Kawale | Papua New Guinea | 55.29 | |
| 70 | 3 | 0 | Sergeý Krowýakow | Turkmenistan | 55.41 | |
| 71 | 2 | 3 | Farhan Saleh Faraj Sultan | Bahrain | 55.49 | |
| 72 | 2 | 4 | Christian Nikles | Brunei | 55.55 | =NR |
| 73 | 2 | 2 | Noah Mascoll-Gomes | Antigua and Barbuda | 56.36 | |
| 74 | 2 | 5 | Kalu Achchige | Sri Lanka | 56.53 | |
| 75 | 2 | 7 | Gunsennorov Zandanbal | Mongolia | 56.78 | |
| 76 | 2 | 1 | Syed Naqvi | Pakistan | 58.40 | |
| 77 | 1 | 4 | Giordan Harris | Marshall Islands | 58.50 | |
| 78 | 2 | 9 | Ammaar Ghadiyali | Tanzania | 59.96 | |
| 79 | 1 | 6 | Kwesi Jackson | Ghana | 1:01.25 | |
| 80 | 1 | 5 | Sirish Gurung | Nepal | 1:02.12 | |
| 81 | 1 | 3 | Billy-Scott Irakoze | Burundi | 1:02.25 | |
| 82 | 1 | 1 | Shawn Dingilius | Palau | 1:02.27 | |
| 83 | 1 | 7 | Ibrahima Camara | Guinea | 1:02.33 | |
| 84 | 1 | 2 | Robel Habte | Ethiopia | 1:02.57 | |
| 85 | 2 | 8 | Phathana Inthavong | Laos | 1:02.85 | |
| 86 | 1 | 8 | Wilfried Tevoedjre | Benin | 1:07.42 | |
| | 3 | 9 | Samson Opuakpo | Nigeria | | DSQ |
| | 1 | 0 | Abdulrahman Al-Ishaq | Qatar | | DNS |
| | 2 | 0 | Sylla Alassane | Ivory Coast | | DNS |
| | 6 | 6 | Croyeb Gailloty | Central African Republic | | DNS |

### Semifinals

The semifinals were held at 18:02.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | Nathan Adrian | United States | 47.95 | Q |
| 2 | 1 | Fabien Gilot | France | 48.21 | Q |
| 3 | 3 | Cameron McEvoy | Australia | 48.43 | Q |
| 4 | 8 | Adam Brown | Great Britain | 48.48 | |
| 5 | 5 | Shinri Shioura | Japan | 48.51 | |
| 6 | 6 | Pieter Timmers | Belgium | 48.65 | |
| 7 | 2 | Sebastiaan Verschuren | Netherlands | 48.73 | |
| 8 | 4 | Konrad Czerniak | Poland | 48.78 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | Jimmy Feigen | United States | 48.07 | Q |
| 2 | 8 | Marcelo Chierighini | Brazil | 48.11 | Q |
| 3 | 4 | James Magnussen | Australia | 48.20 | Q |
| 3 | 6 | Vladimir Morozov | Russia | 48.20 | Q |
| 5 | 7 | Luca Dotto | Italy | 48.46 | Q |
| 6 | 3 | Hanser García | Cuba | 48.54 | |
| 7 | 5 | Nikita Lobintsev | Russia | 48.73 | |
| 8 | 1 | Filippo Magnini | Italy | 49.12 | |

### Final

The final was held at 18:33.
| Rank | Lane | Name | Nationality | Time |
| | 6 | James Magnussen | Australia | 47.71 |
| | 5 | Jimmy Feigen | United States | 47.82 |
| | 4 | Nathan Adrian | United States | 47.84 |
| 4 | 1 | Cameron McEvoy | Australia | 47.88 |
| 5 | 2 | Vladimir Morozov | Russia | 48.01 |
| 6 | 3 | Marcelo Chierighini | Brazil | 48.28 |
| 7 | 7 | Fabien Gilot | France | 48.33 |
| 8 | 8 | Luca Dotto | Italy | 48.58 |