2018 Pan Pacific Swimming Championships – Men's 100 metre breaststroke

Men's 100 metre breaststroke at the 2018 Pan Pacific Swimming Championships
Venue	Tokyo Tatsumi International Swimming Center
Dates	9 August (heats & finals)
Competitors	16 from 8 nations
Winning time	59.08
Medalists
Yasuhiro Koseki   Japan   Jake Packard   Australia   João Gomes Júnior   Brazil

The men's 100 metre breaststroke competition at the 2018 Pan Pacific Swimming Championships took place on August 9 at the Tokyo Tatsumi International Swimming Center. The defending champion was Yasuhiro Koseki of Japan.

Records

Prior to this competition, the existing world and Pan Pacific records were as follows:

World record	Adam Peaty (GBR)	57.10	Glasgow, United Kingdom	4 August 2018
Pan Pacific Championships record	Kosuke Kitajima (JPN)	59.04	Irvine, United States	19 August 2010

Results

All times are in minutes and seconds.

KEY:

QA

Qualified A Final

QB

Qualified B Final

CR

Championships record

NR

National record

PB

Personal best

SB

Seasonal best

Heats

The first round was held on 9 August from 10:00.

Only two swimmers from each country may advance to the A or B final. If a country not qualify any swimmer to the A final, that same country may qualify up to three swimmers to the B final.

Rank	Name	Nationality	Time	Notes
1	Andrew Wilson	United States	59.42	QA
2	Wang Lizhuo	China	59.50	QA
3	Michael Andrew	United States	59.55	QA
4	Yasuhiro Koseki	Japan	59.67	QA
5	João Gomes Júnior	Brazil	59.74	QA
6	Jake Packard	Australia	59.81	QA
7	Matthew Wilson	Australia	59.90	QA
8	Josh Prenot	United States	1:00.22	QB
9	Zac Stubblety-Cook	Australia	1:00.32	QB
10	Richard Funk	Canada	1:00.33	QA
11	Ippei Watanabe	Japan	1:00.35	QB
12	Eli Wall	Canada	1:01.65	QB
13	Song Jiale	China	1:02.13	QB
14	Liu Yunsong	China	1:02.69	QB
15	Timothy Yen	Philippines	1:07.05	QB
16	Lennosuke Suzuki	Northern Mariana Islands	1:17.36	QB

B Final

The B final was held on 9 August from 17:30.

Rank	Name	Nationality	Time	Notes
9	Zac Stubblety-Cook	Australia	1:00.20
10	Ippei Watanabe	Japan	1:00.49
11	Josh Prenot	United States	1:00.63
12	Song Jiale	China	1:01.52
13	Liu Yunsong	China	1:01.97
14	Eli Wall	Canada	1:02.03
15	Timothy Yen	Philippines	1:08.55
16	Lennosuke Suzuki	Northern Mariana Islands	1:16.51

A Final

The A final was held on 9 August from 17:30.

Rank	Name	Nationality	Time	Notes
	Yasuhiro Koseki	Japan	59.08
	Jake Packard	Australia	59.20
	João Gomes Júnior	Brazil	59.60
4	Andrew Wilson	United States	59.70
5	Wang Lizhuo	China	59.76
6	Matthew Wilson	Australia	59.83
7	Michael Andrew	United States	1:00.04
8	Richard Funk	Canada	1:00.62