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

The men's 100 metre breaststroke event at the 2018 Asian Games took place on 22 August at the Gelora Bung Karno Aquatic Stadium.

## Schedule

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

| Date | Time | Event |
| - | - | - |
| Wednesday, 22 August 2018 | 09:25 | Heats |
| Wednesday, 22 August 2018 | 18:23 | Final |

## Records

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

| World Record | Adam Peaty (GBR) | 57.10 | Glasgow, United Kingdom | 4 August 2018 |
| - | - | - | - | - |
| Asian Record | Yasuhiro Koseki (JPN) | 58.78 | Monte Carlo, Monaco | 17 June 2018 |
| Games Record | Dmitriy Balandin (KAZ) | 59.92 | Incheon, South Korea | 24 September 2014 |

## Results

### Heats

| Rank | Heat | Athlete | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | Yan Zibei (CHN) | 59.91 | GR |
| 2 | 4 | Dmitriy Balandin (KAZ) | 1:00.07 | |
| 3 | 3 | Qin Haiyang (CHN) | 1:00.78 | |
| 4 | 2 | Ippei Watanabe (JPN) | 1:00.93 | |
| 5 | 3 | Vladislav Mustafin (UZB) | 1:01.04 | |
| 6 | 2 | Moon Jae-kwon (KOR) | 1:01.17 | |
| 7 | 3 | Yasuhiro Koseki (JPN) | 1:01.35 | |
| 8 | 4 | Lionel Khoo (SGP) | 1:02.00 | |
| 9 | 4 | Kim Jae-youn (KOR) | 1:02.01 | |
| 10 | 1 | Sandeep Sejwal (IND) | 1:02.07 | |
| 11 | 2 | Denis Petrashov (KGZ) | 1:02.12 | |
| 12 | 3 | Chao Man Hou (MAC) | 1:02.23 | |
| 13 | 2 | Gagarin Nathaniel (INA) | 1:02.42 | |
| 14 | 2 | Aibek Kamzenov (KAZ) | 1:02.74 | |
| 15 | 3 | Azad Al-Barazi (SYR) | 1:03.01 | |
| 16 | 4 | Christopher Cheong (SGP) | 1:03.28 | |
| 17 | 3 | Amro Al-Wir (JOR) | 1:03.32 | |
| 18 | 3 | Phạm Thanh Bảo (VIE) | 1:03.47 | |
| 19 | 2 | Boris Yang (HKG) | 1:03.77 | |
| 20 | 4 | Radomyos Matjiur (THA) | 1:04.11 | |
| 21 | 4 | Ng Yan Kin (HKG) | 1:04.21 | |
| 22 | 2 | Nuttapong Ketin (THA) | 1:04.50 | |
| 23 | 4 | Indra Gunawan (INA) | 1:05.36 | |
| 24 | 3 | Chou Kit (MAC) | 1:05.92 | |
| 25 | 2 | Günsennorovyn Zandanbal (MGL) | 1:07.94 | |
| 26 | 1 | Batyr Täçmyradow (TKM) | 1:08.28 | |
| 27 | 1 | Shuvam Shrestha (NEP) | 1:11.37 | |
| 28 | 1 | Youssef Hesham Mohamed (QAT) | 1:11.47 | |
| 29 | 1 | Batmönkhiin Jürmed (MGL) | 1:12.95 | |
| 30 | 1 | Muhammad Hamza Malik (PAK) | 1:13.33 | |
| 31 | 1 | Hassan Ashraf (MDV) | 1:22.12 | |
| 32 | 1 | Hussain Haish Hassan (MDV) | 1:22.34 | |

### Final

| Rank | Athlete | Time | Notes |
| - | - | - | - |
| | Yasuhiro Koseki (JPN) | 58.86 | GR |
| | Yan Zibei (CHN) | 59.31 | |
| | Dmitriy Balandin (KAZ) | 59.39 | |
| 4 | Ippei Watanabe (JPN) | 1:00.15 | |
| 5 | Qin Haiyang (CHN) | 1:00.24 | |
| 6 | Moon Jae-kwon (KOR) | 1:01.07 | |
| 7 | Vladislav Mustafin (UZB) | 1:01.49 | |
| 8 | Lionel Khoo (SGP) | 1:01.74 | |
