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

Men's 100 metre breaststroke at the 2018 Asian Games
Venue	Gelora Bung Karno Aquatic Stadium
Date	22 August 2018
Competitors	32 from 21 nations
Medalists
gold medal  Yasuhiro Koseki   File:Flag of Japan.svg Japan silver medal  Yan Zibei   File:Flag of the People's Republic of China.svg China bronze medal  Dmitriy Balandin   File:Flag of Kazakhstan.svg Kazakhstan

Main article: Swimming at the 2018 Asian Games

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
	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	File:Flag of Kazakhstan.svg Dmitriy Balandin (KAZ)	59.92	Incheon, South Korea	24 September 2014

Results

Heats

Rank	Heat	Athlete	Time	Notes
1	4	File:Flag of the People's Republic of China.svg Yan Zibei (CHN)	59.91	GR
2	4	File:Flag of Kazakhstan.svg Dmitriy Balandin (KAZ)	1:00.07
3	3	File:Flag of the People's Republic of China.svg Qin Haiyang (CHN)	1:00.78
4	2	File:Flag of Japan.svg Ippei Watanabe (JPN)	1:00.93
5	3	File:Flag of Uzbekistan.svg Vladislav Mustafin (UZB)	1:01.04
6	2	File:Flag of South Korea.svg Moon Jae-kwon (KOR)	1:01.17
7	3	File:Flag of Japan.svg Yasuhiro Koseki (JPN)	1:01.35
8	4	File:Flag of Singapore.svg Lionel Khoo (SGP)	1:02.00
9	4	File:Flag of South Korea.svg Kim Jae-youn (KOR)	1:02.01
10	1	File:Flag of India.svg Sandeep Sejwal (IND)	1:02.07
11	2	File:Flag of Kyrgyzstan (1992–2023).svg Denis Petrashov (KGZ)	1:02.12
12	3	File:Flag of Macau.svg Chao Man Hou (MAC)	1:02.23
13	2	File:Flag of Indonesia.svg Gagarin Nathaniel (INA)	1:02.42
14	2	File:Flag of Kazakhstan.svg Aibek Kamzenov (KAZ)	1:02.74
15	3	File:Flag of Syria.svg Azad Al-Barazi (SYR)	1:03.01
16	4	File:Flag of Singapore.svg Christopher Cheong (SGP)	1:03.28
17	3	File:Flag of Jordan.svg Amro Al-Wir (JOR)	1:03.32
18	3	File:Flag of Vietnam.svg Phạm Thanh Bảo (VIE)	1:03.47
19	2	File:Flag of Hong Kong.svg Boris Yang (HKG)	1:03.77
20	4	File:Flag of Thailand.svg Radomyos Matjiur (THA)	1:04.11
21	4	File:Flag of Hong Kong.svg Ng Yan Kin (HKG)	1:04.21
22	2	File:Flag of Thailand.svg Nuttapong Ketin (THA)	1:04.50
23	4	File:Flag of Indonesia.svg Indra Gunawan (INA)	1:05.36
24	3	File:Flag of Macau.svg Chou Kit (MAC)	1:05.92
25	2	File:Flag of Mongolia.svg Günsennorovyn Zandanbal (MGL)	1:07.94
26	1	File:Flag of Turkmenistan.svg Batyr Täçmyradow (TKM)	1:08.28
27	1	File:Flag of Nepal.svg Shuvam Shrestha (NEP)	1:11.37
28	1	File:Flag of Qatar.svg Youssef Hesham Mohamed (QAT)	1:11.47
29	1	File:Flag of Mongolia.svg Batmönkhiin Jürmed (MGL)	1:12.95
30	1	File:Flag of Pakistan.svg Muhammad Hamza Malik (PAK)	1:13.33
31	1	File:Flag of Maldives.svg Hassan Ashraf (MDV)	1:22.12
32	1	File:Flag of Maldives.svg Hussain Haish Hassan (MDV)	1:22.34

Final

Rank	Athlete	Time	Notes
1st place, gold medalist(s)	File:Flag of Japan.svg Yasuhiro Koseki (JPN)	58.86	GR
2nd place, silver medalist(s)	File:Flag of the People's Republic of China.svg Yan Zibei (CHN)	59.31
3rd place, bronze medalist(s)	File:Flag of Kazakhstan.svg Dmitriy Balandin (KAZ)	59.39
4	File:Flag of Japan.svg Ippei Watanabe (JPN)	1:00.15
5	File:Flag of the People's Republic of China.svg Qin Haiyang (CHN)	1:00.24
6	File:Flag of South Korea.svg Moon Jae-kwon (KOR)	1:01.07
7	File:Flag of Uzbekistan.svg Vladislav Mustafin (UZB)	1:01.49
8	File:Flag of Singapore.svg Lionel Khoo (SGP)	1:01.74