Swimming at the 2015 Southeast Asian Games – Men's 50 metre backstroke
# Swimming at the 2015 Southeast Asian Games – Men's 50 metre backstroke

The men's 50 metre backstroke competition of the swimming event at the 2015 Southeast Asian Games was held on 11 June at the OCBC Aquatic Centre in Kallang, Singapore.

## Records

Prior to this competition, the existing Asian and Games records were as follows:

| Asian record | Junya Koga (JPN) | 24.24 | Rome, Italy | 2 August 2009 |
| - | - | - | - | - |
| Games record | I Gede Siman Sudartawa (INA) | 25.62 | Palembang, Indonesia | 16 November 2011 |

The following records were established during the competition:

| Date | Event | Name | Nationality | Time | Record |
| - | - | - | - | - | - |
| 11 June | Final | Quah Zheng Wen | Singapore (SIN) | 25.27 | GR |

## Schedule

All times are Singapore Standard Time (UTC+08:00)

| Date | Time | Event |
| - | - | - |
| Thursday, 11 June 2015 | 09:04 | Heat 1 |
| Thursday, 11 June 2015 | 09:05 | Heat 2 |
| Thursday, 11 June 2015 | 19:38 | Final |

## Results

| KEY: | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | WD | Withdrew | DNF | Did not finish |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |

### Heats

    Source: Heats results summary

The heats were held on 11 June.

**Heat 1**


    Source: Heat 1 results

Heat 1 was held on 11 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | Quah Zheng Wen (SIN) | 26.41 | Q |
| 2 | 3 | Zach Ong Wei Shien (SIN) | 26.59 | Q |
| 3 | 6 | Thanapoom Krueakhamkhao (THA) | 26.95 | Q |
| 4 | 5 | Tern Jian Han (MAS) | 27.11 | Q |
| 5 | 2 | Thoeun Thol (CAM) | 31.63 | |
| 6 | 7 | Cheng Pirort (CAM) | 32.58 | |

**Heat 2**


    Source: Heat 2 results

Heat 2 was held on 11 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | I Gede Siman Sudartawa (INA) | 25.86 | Q |
| 2 | 5 | Kasipat Chograthin (THA) | 26.17 | Q |
| 3 | 3 | Trần Duy Khôi (VIE) | 26.73 | Q |
| 4 | 6 | Ricky Anggawidjaja (INA) | 26.88 | Q |
| 5 | 2 | Axel Toni Steven Ngui (PHI) | 27.61 | |
| 6 | 7 | Myat Thint (MYA) | 31.38 | |

### Final

    Source: Final Results

The final was held on 11 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| | 3 | Quah Zheng Wen (SIN) | 25.27 | GR |
| | 4 | I Gede Siman Sudartawa (INA) | 25.34 | NR |
| | 5 | Kasipat Chograthin (THA) | 25.78 | |
| 4 | 2 | Trần Duy Khôi (VIE) | 26.13 | |
| 5 | 8 | Tern Jian Han (MAS) | 26.19 | |
| 6 | 6 | Zach Ong Wei Shien (SIN) | 26.26 | |
| 7 | 7 | Ricky Anggawidjaja (INA) | 26.49 | |
| 8 | 1 | Thanapoom Krueakhamkhao (THA) | 26.66 | |
