Swimming at the 2018 Asian Games – Men's 100 metre backstroke
# Swimming at the 2018 Asian Games – Men's 100 metre backstroke

The men's 100 metre backstroke event at the 2018 Asian Games took place on 19 August at the Gelora Bung Karno Aquatic Stadium.

## Schedule

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

| Date | Time | Event |
| - | - | - |
| Sunday, 19 August 2018 | 09:53 | Heats |
| Sunday, 19 August 2018 | 18:55 | Final |

## Records

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

| World Record | Ryan Murphy (USA) | 51.85 | Rio de Janeiro, Brazil | 13 August 2016 |
| - | - | - | - | - |
| Asian Record | Xu Jiayu (CHN) | 51.86 | Qingdao, China | 12 April 2017 |
| Games Record | Ryosuke Irie (JPN) | 52.34 | Incheon, South Korea | 21 September 2014 |

## Results

### Heats

| Rank | Heat | Athlete | Time |
| - | - | - | - |
| 1 | 4 | Xu Jiayu (CHN) | 53.60 |
| 2 | 3 | Ryosuke Irie (JPN) | 53.85 |
| 3 | 4 | Li Guangyuan (CHN) | 54.34 |
| 4 | 2 | Masaki Kaneko (JPN) | 54.81 |
| 5 | 3 | Lee Ju-ho (KOR) | 55.03 |
| 6 | 2 | Paul Lê Nguyễn (VIE) | 55.47 |
| 7 | 4 | I Gede Siman Sudartawa (INA) | 55.48 |
| 8 | 1 | Srihari Nataraj (IND) | 55.86 |
| 9 | 4 | Francis Fong (SGP) | 56.09 |
| 10 | 3 | Merdan Ataýew (TKM) | 56.20 |
| 11 | 2 | Kang Ji-seok (KOR) | 56.24 |
| 12 | 2 | Chuang Mu-lun (TPE) | 56.56 |
| 13 | 3 | Ricky Anggawijaya (INA) | 57.33 |
| 14 | 3 | Tern Jian Han (MAS) | 57.71 |
| 15 | 4 | Chang Hou-chi (TPE) | 57.83 |
| 16 | 1 | Arvind Mani (IND) | 58.09 |
| 17 | 3 | Lau Shiu Yue (HKG) | 58.38 |
| 18 | 2 | Kasipat Chograthin (THA) | 58.55 |
| 19 | 4 | Cheung Yau Ming (HKG) | 59.14 |
| 20 | 4 | Haseeb Tariq (PAK) | 59.20 |
| 21 | 2 | Abdulaziz Al-Obaidly (QAT) | 1:02.28 |
| 22 | 4 | Yum Cheng Man (MAC) | 1:02.63 |
| 23 | 3 | Erdenemönkhiin Demüül (MGL) | 1:03.80 |
| 24 | 3 | Boldbaataryn Buyantogtokh (MGL) | 1:05.43 |
| 25 | 2 | Kawas Behram Aga (PAK) | 1:05.51 |
| 26 | 1 | Hassan Al-Obaidan (QAT) | 1:08.62 |
| 27 | 1 | Ali Imaan (MDV) | 1:10.03 |
| 28 | 1 | Hussain Haish Hassan (MDV) | 1:13.65 |

### Final

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| | Xu Jiayu (CHN) | 52.34 | =GR |
| | Ryosuke Irie (JPN) | 52.53 | |
| | Lee Ju-ho (KOR) | 54.52 | |
| 4 | Masaki Kaneko (JPN) | 54.61 | |
| 5 | Li Guangyuan (CHN) | 55.01 | |
| 6 | Paul Lê Nguyễn (VIE) | 55.72 | |
| 7 | Srihari Nataraj (IND) | 56.19 | |
| 8 | I Gede Siman Sudartawa (INA) | 58.82 | |
