# Swimming at the 2018 Commonwealth Games – Men's 50 metre backstroke

The men's 50 metre backstroke event at the 2018 Commonwealth Games was held on 7 and 8 April at the Gold Coast Aquatic Centre.

## Records

Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| World record | Liam Tancock (GBR) | 24.04 | Rome, Italy | 2 August 2009 |
| Commonwealth record | Liam Tancock (GBR) | 24.04 | Rome, Italy | 2 August 2009 |
| Games record | Liam Tancock (ENG) | 24.62 | Delhi, India | 5 October 2010 |

## Results
### Heats

The heats were held on 7 April at 11:15.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Zac Incerti | Australia | 25.05 | Q |
| 2 | 1 | 4 | Mitch Larkin | Australia | 25.32 | Q |
| 3 | 3 | 4 | Ben Treffers | Australia | 25.52 | Q |
| 4 | 3 | 5 | Conor Ferguson | Northern Ireland | 25.79 | Q |
| 5 | 3 | 3 | Jian Han Tern | Malaysia | 25.83 | Q |
| 6 | 1 | 5 | Xavier Castelli | Wales | 25.91 | Q |
| 7 | 2 | 6 | Harry Shalamon | Jersey | 26.08 | Q |
| 8 | 2 | 5 | Craig McNally | Scotland | 26.11 | Q |
| 9 | 1 | 3 | Srihari Nataraj | India | 26.47 | Q |
| 10 | 3 | 6 | Thomas Hollingsworth | Guernsey | 26.78 | Q |
| 11 | 2 | 3 | Akalanka Peiris | Sri Lanka | 26.83 | Q |
| 12 | 1 | 6 | Syed Muhammad Haseeb Tariq | Pakistan | 27.39 | Q |
| 13 | 3 | 2 | Erico Cuna | Mozambique | 28.03 | Q |
| 14 | 1 | 2 | Jordan Gonzalez | Gibraltar | 28.19 | Q |
| 15 | 3 | 7 | Alexandros Axiotis | Zambia | 28.77 | Q |
| 16 | 2 | 2 | Dillon Gooding | Saint Vincent and the Grenadines | 29.96 | Q |
| 17 | 2 | 1 | Finau Ohuafi | Tonga | 29.97 | |
| 18 | 2 | 7 | Cruz Halbich | Saint Vincent and the Grenadines | 31.24 | |
| 19 | 1 | 7 | Joshua Yon | Saint Helena | 34.30 | |
| 20 | 3 | 1 | Faletiute Tinapa | Tuvalu | 34.94 | |

### Semifinals

The semifinals were held on 7 April at 20:19.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Mitch Larkin | Australia | 24.91 | Q |
| 2 | 5 | Conor Ferguson | Northern Ireland | 25.60 | Q |
| 3 | 3 | Xavier Castelli | Wales | 25.74 | Q |
| 4 | 6 | Craig McNally | Scotland | 26.00 | Q |
| 5 | 2 | Thomas Hollingsworth | Guernsey | 27.08 | |
| 6 | 7 | Syed Muhammad Haseeb Tariq | Pakistan | 27.23 | |
| 7 | 1 | Jordan Gonzalez | Gibraltar | 28.29 | |
| 8 | 8 | Dillon Gooding | Saint Vincent and the Grenadines | 29.74 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Ben Treffers | Australia | 24.99 | Q |
| 2 | 4 | Zac Incerti | Australia | 25.19 | Q |
| 3 | 6 | Harry Shalamon | Jersey | 25.52 | Q |
| 4 | 3 | Jian Han Tern | Malaysia | 25.60 | Q, NR |
| 5 | 2 | Srihari Nataraj | India | 26.50 | |
| 6 | 7 | Akalanka Peiris | Sri Lanka | 26.52 | NR |
| 7 | 1 | Erico Cuna | Mozambique | 28.10 | |
| 8 | 8 | Alexandros Axiotis | Zambia | 28.57 | |

### Final

The final was held on 8 April at 21:31.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Mitch Larkin | Australia | 24.68 |
| | 5 | Ben Treffers | Australia | 24.84 |
| | 3 | Zac Incerti | Australia | 25.06 |
| 4 | 1 | Xavier Castelli | Wales | 25.44 |
| 5 | 2 | Conor Ferguson | Northern Ireland | 25.72 |
| 6 | 6 | Harry Shalamon | Jersey | 25.73 |
| 7 | 8 | Craig McNally | Scotland | 25.80 |
| 8 | 7 | Jian Han Tern | Malaysia | 25.96 |