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

The men's 50 metre backstroke event at the 2018 Asian Games took place on 20 August at the Gelora Bung Karno Aquatic Stadium.

## Schedule

All times are Western Indonesia Time (UTC+07:00)

| Date | Time | Event |
| - | - | - |
| Monday, 20 August 2018 | 09:22 | Heats |
| Monday, 20 August 2018 | 18:28 | Final |

## Records

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

| World Record | Kliment Kolesnikov (RUS) | 24.00 | Glasgow, United Kingdom | 4 August 2018 |
| - | - | - | - | - |
| Asian Record | Junya Koga (JPN) | 24.24 | Rome, Italy | 2 August 2009 |
| Games Record | Junya Koga (JPN) | 24.28 | Incheon, South Korea | 22 September 2014 |

## Results

### Heats

| Rank | Heat | Athlete | Time |
| - | - | - | - |
| 1 | 3 | I Gede Siman Sudartawa (INA) | 25.01 |
| 2 | 5 | Xu Jiayu (CHN) | 25.12 |
| 3 | 5 | Ryosuke Irie (JPN) | 25.25 |
| 4 | 4 | Kang Ji-seok (KOR) | 25.29 |
| 5 | 3 | Wang Peng (CHN) | 25.33 |
| 6 | 4 | Quah Zheng Wen (SGP) | 25.54 |
| 7 | 4 | Lee Ju-ho (KOR) | 25.67 |
| 8 | 3 | Merdan Ataýew (TKM) | 26.08 |
| 9 | 4 | Kasipat Chograthin (THA) | 26.13 |
| 10 | 1 | Srihari Nataraj (IND) | 26.19 |
| 11 | 5 | Paul Lê Nguyễn (VIE) | 26.20 |
| 12 | 5 | Masaki Kaneko (JPN) | 26.23 |
| 13 | 5 | Adil Kaskabay (KAZ) | 26.30 |
| 14 | 4 | Francis Fong (SGP) | 26.48 |
| 15 | 4 | Chuang Mu-lun (TPE) | 26.52 |
| 16 | 4 | Ngou Pok Man (MAC) | 26.53 |
| 17 | 3 | Akalanka Peiris (SRI) | 26.57 |
| 18 | 3 | Chang Hou-chi (TPE) | 26.67 |
| 19 | 5 | Ricky Anggawijaya (INA) | 26.82 |
| 20 | 3 | Tern Jian Han (MAS) | 26.88 |
| 21 | 1 | Arvind Mani (IND) | 26.89 |
| 22 | 5 | Lau Shiu Yue (HKG) | 26.93 |
| 23 | 3 | Cheung Yau Ming (HKG) | 26.99 |
| 24 | 5 | Haseeb Tariq (PAK) | 27.31 |
| 25 | 4 | Navaphat Wongcharoen (THA) | 27.37 |
| 26 | 3 | Mohammed Bedour (JOR) | 27.40 |
| 27 | 1 | Noah Al-Khulaifi (QAT) | 28.75 |
| 28 | 2 | Abdulaziz Al-Obaidly (QAT) | 28.78 |
| 29 | 2 | Muhammad Yahya Khan (PAK) | 28.79 |
| 30 | 2 | Yum Cheng Man (MAC) | 28.88 |
| 31 | 2 | Boldbaataryn Buyantogtokh (MGL) | 29.72 |
| 32 | 2 | Lim Keouodom (CAM) | 30.68 |
| 33 | 2 | Santisouk Inthavong (LAO) | 31.09 |
| 34 | 1 | Olimjon Ishanov (TJK) | 31.87 |
| 35 | 2 | Hussain Haish Hassan (MDV) | 31.95 |
| 36 | 1 | Ali Imaan (MDV) | 32.47 |
| 37 | 1 | Ramziyor Khorkashov (TJK) | 33.21 |
| 38 | 2 | Buman-Uchralyn Bat-Od (MGL) | 33.56 |

### Final

| Rank | Athlete | Time |
| - | - | - |
| | Xu Jiayu (CHN) | 24.75 |
| | Ryosuke Irie (JPN) | 24.88 |
| | Kang Ji-seok (KOR) | 25.17 |
| 4 | Wang Peng (CHN) | 25.28 |
| 5 | I Gede Siman Sudartawa (INA) | 25.29 |
| 6 | Quah Zheng Wen (SGP) | 25.53 |
| 7 | Lee Ju-ho (KOR) | 25.59 |
| 8 | Merdan Ataýew (TKM) | 25.88 |
