# 2023 World Para Swimming Championships – Men's 50 metre backstroke

The men's 50m backstroke events at the 2023 World Para Swimming Championships were held at the Manchester Aquatics Centre between 31 July and 6 August.
42 swimmers swam across five classifications: S1, S2, S3, S4 and S5.

## Medalists

| Event | Gold | Silver | Bronze |
| S1 | Kamil Otowski Poland | Iyad Shalabi Israel | Francesco Bettella Italy |
| S2 | Gabriel Araújo Brazil | Jacek Czech Poland | Roman Bondarenko Ukraine |
| S3 | Denys Ostapchenko Ukraine | Daniel Ferrer Robles Spain | Vincenzo Boni Italy |
| S4 | Cameron Leslie New Zealand | Ángel Camacho Mexico | Arnošt Petráček Czech Republic |
| S5 | Yuan Weiyi China | Wang Lichao China | Guo Jincheng China |

## Results
### S1

The applicable records entering the event were as follows:
| Record | Swimmer | Time |
| World record | Hennadii Boiko | 59.96 |
| Championship record | Kamil Otowski | 1:06.46 |

#### Final

The event took place on 5 Aug 2023 at 18:22 as a direct final. Five swimmers were entered, representing five nations.
| Rank | Lane | Name | Nation | Result |
| | 4 | Kamil Otowski | Poland | 1:07.34 |
| | 5 | Iyad Shalabi | Israel | 1:10.57 |
| | 6 | Francesco Bettella | Italy | 1:12.87 |
| 4 | 3 | Anton Kol | Ukraine | 1:12.97 |
| 5 | 2 | Nikolaos Kontou | Greece | 1:51.36 |

### S2

The applicable records entering the event were as follows:
| Record | Swimmer | Time |
| World record | Liankang Zou | 47.17 |
| Championship record | Liankang Zou | 48.62 |

#### Heats

The event took place on Aug 5 2023 at 9:57 a.m. Nine swimmers entered the event. the top eight, regardless of heat or placing, progressed to the final.
| Rank | Lane | Name | Nation | Result | Notes |
| 1 | 4 | Gabriel Araújo | Brazil | 55.34 | Q |
| 2 | 4 | Jacek Czech | Poland | 57.62 | Q |
| 3 | 5 | Roman Bondarenko | Ukraine | 59.22 | Q |
| 4 | 5 | Alberto Abarza | Chile | 1:00.90 | Q |
| 5 | 3 | C Tronco Sanchez | Mexico | 1:09.11 | Q |
| 6 | 6 | Rodrigo Santillan | Peru | 1:10.00 | Q |
| 7 | 3 | Jesus Rey Lopez | Mexico | 1:10.72 | Q |
| 8 | 6 | Conrad Hildebrand | Sweden | 1:17.11 | Q |
| 9 | 2 | Bruno Becker Da Silva | Brazil | 1:41.60 | |

#### Final

The event took place on 5 Aug 2023 at 18:16.
| Rank | Lane | Name | Nation | Result |
| | 4 | Gabriel Araújo | Brazil | 54.08 |
| | 5 | Jacek Czech | Poland | 57.44 |
| | 3 | Roman Bondarenko | Ukraine | 1:03.55 |
| 4 | 6 | Alberto Abarza | Chile | 1:04.54 |
| 5 | 2 | C Tronco Sanchez | Mexico | 1:04.88 |
| 6 | 7 | Rodrigo Santillan | Peru | 1:09.06 |
| 7 | 1 | Jesus Rey Lopez | Mexico | 1:10.03 |
| 8 | 8 | Conrad Hildebrand | Sweden | 1:18.91 |

### S3

The applicable records entering the event were as follows:
| Record | Swimmer | Time |
| World record | Byeong-Eon Min | 42.21 |
| Championship record | Diego Lopez Diaz | 43.47 |

#### Heats

The event took place on 3 Aug 2023 at 9:33 a.m.
Ten swimmers entered the event. The top eight, regardless of heat or placing, progressed to the final.
| Rank | Heat | Lane | Name | Nation | Result | Notes |
| 1 | 1 | 4 | Denys Ostapchenko | Ukraine | 46.12 | Q |
| 2 | 2 | 4 | Diego López Diaz | Mexico | 48.98 | Q |
| 3 | 1 | 3 | Serhii Palamarchuk | Ukraine | 49.15 | Q |
| 3 | 2 | 5 | Vincenzo Boni | Italy | 49.15 | Q |
| 5 | 2 | 6 | Umut Unlu | Turkey | 50.09 | Q |
| 6 | 1 | 5 | Daniel Ferrer Robles | Spain | 51.83 | Q |
| 7 | 1 | 6 | Ahmed Kelly | Australia | 55.91 | Q |
| 8 | 2 | 2 | M Zarate Rodriguez | Mexico | 57.80 | Q |
| 9 | 1 | 2 | P Larenas Albayay | Chile | 59.33 | |
| | 2 | 7 | Charkorn Kaewsri | Thailand | DSQ | |

#### Final

The event took place on 3 Aug 2023 at 18:47.
| Rank | Lane | Name | Nation | Result |
| | 4 | Denys Ostapchenko | Ukraine | 45.95 |
| | 7 | Daniel Ferrer Robles | Spain | 48.70 |
| | 6 | Vincenzo Boni | Italy | 48.95 |
| 4 | 5 | Diego López Diaz | Mexico | 49.4 |
| 5 | 3 | Serhii Palamarchuk | Ukraine | 50.03 |
| 6 | 2 | Umut Unlu | Turkey | 50.36 |
| 7 | 1 | Ahmed Kelly | Australia | 55.92 |
| 8 | 8 | M Zarate Rodriguez | Mexico | 57.60 |

### S4

The applicable records entering the event were as follows:
| Record | Swimmer | Time |
| World record | Roman Zhdanov | 40.99 |
| Championship record | Roman Zhdanov | 41.50 |

#### Heats.

The event took place on 3 Aug 2023 at 9:51. Nine swimmers entered the competition. The top eight, regardless of heat or placing, progressed to the final.
| Rank | Heat | Lane | Name | Nation | Result | Notes |
| 1 | 1 | 4 | Cameron Leslie | New Zealand | 43.44 | Q |
| 2 | 2 | 4 | Arnost Petracek | Czech Republic | 43.83 | Q |
| 3 | 2 | 5 | Ángel Camacho | Mexico | 44.14 | Q |
| 4 | 1 | 5 | Matz Topkin | Estonia | 44.54 | Q |
| 5 | 2 | 6 | Andreas Ernhofer | Austria | 47.10 | Q |
| 6 | 1 | 3 | Dmytro Vynohradets' | Ukraine | 47.19 | Q |
| 7 | 2 | 3 | Hernande Hernandez | Mexico | 47.28 | Q |
| 8 | 1 | 6 | Nicolas Carlos Ricci | Argentina | 51.56 | Q |
| 9 | 2 | 2 | Ariel Malyar | Israel | 51.57 | |

#### Final

The event took place on 3 Aug 2023 at 18:57.
| Rank | Lane | Athlete | Nation | Result |
| 1 | 4 | Cameron Leslie | New Zealand | 42.67 |
| 2 | 3 | Ángel Camacho | Mexico | 43.17 |
| 3 | 5 | Arnost Petracek | Czech Republic | 43.54 |
| 4 | 6 | Matz Topkin | Estonia | 44.6 |
| 5 | 1 | Hernande Hernandez | Mexico | 47.72 |
| 6 | 2 | Andreas Ernhofer | Austria | 48.64 |
| 7 | 7 | Dmytro Vynohradets' | Ukraine | 50.53 |
| 8 | 8 | Nicolas Carlos Ricci | Argentina | 51.01 |

### S5
#### Heats

| Rank | Heat | Lane | Name | Nation | Result | Notes |
| 1 | 2 | 4 | Yuan Weiyi | China | 33.49 | Q |
| 2 | 1 | 4 | Guo Jincheng | China | 33.73 | Q |
| 3 | 1 | 5 | Yaroslav Semenenko | Ukraine | 34.58 | Q |
| 4 | 2 | 5 | Wang Lichao | China | 35.01 | Q |
| 5 | 2 | 3 | Samuel da Silva de Oliveira | Brazil | 35.65 | Q |
| 6 | 2 | 6 | Kaede Hinata | Japan | 38.61 | Q |
| 7 | 1 | 3 | Eigo Tanaka | Japan | 39.54 | Q |
| 8 | 2 | 2 | Siyazbek Daliyev | Kazakhstan | 41.19 | Q |
| 9 | 1 | 6 | Eakapan Songwichean | Thailand | 42.77 | |

#### Final

| Rank | Name | Nation | Result |
| | Yuan Weiyi | China | 32.73 |
| | Wang Lichao | China | 32.72 |
| | Guo Jincheng | China | 33.72 |
| 4 | Samuel da Silva | Brazil | 35.02 |
| 5 | Yaroslav Semenenko | Ukraine | 35.05 |
| 6 | Kaede Hinata | Japan | 38.31 |
| 7 | Eigo Tanaka | Japan | 39.38 |
| 8 | Siyazbek Daliyev | Kazakhstan | 41.30 |