| Swimming – Men's 50 metre backstroke at the 2015 SEA Games | ||||||||||
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| Venue | OCBC Aquatic Centre | |||||||||
| Date | 11 June 2015 | |||||||||
| Competitors | 12 from 8 nations | |||||||||
| Medalists | ||||||||||
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The men's 50 metre backstroke competition of the swimming event at the 2015 SEA Games was held on 11 June at the OCBC Aquatic Centre in Kallang, Singapore. [1]
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 |
All times are Singapore Standard Time (UTC+08:00)
| Date | Time | Event |
|---|---|---|
| Thursday, 11 June 2015 | 09:04 | Heat 1 |
| 09:05 | Heat 2 | |
| 19:38 | Final |
| KEY: | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best | WD | Withdrew | DNF | Did not finish |
The heats were held on 11 June.
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 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 |
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 |
