Yasuhiro Koseki

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Asian Games’ Arrival: Re-Watch Watanabe’s 2:06.67 2Breast World Record

Get ready for the 2018 Asian Games by re-living Ippei Watanabe’s 200m breast world record from 2017.

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A Djakarta, la natation des Jeux Asiatiques se résumera en un classique duel Sino-Japonais

La rencontre est celle de deux styles, de deux histoires, de deux conceptions de la natation.

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2018 Asian Games: Japan Comes To Jakarta Armed With Mega Weapons

Led by Pan Pacs gold medalists Rikako Ikee, Yasuhiro Koseki and Yui Ohashi, the nation of Japan is primed to challenge China as the overall winning nation in the pool at the 2018 Asian Games.

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2018 Pan Pacific Championships: Day 4 Finals Live Recap

After breaking the Pan Pacs Record this morning, Murphy is set up for a backstroke sweep and could swim his first sub-1:54 since Rio.

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World Record Holder Ippei Watanabe Lowers Prenot’s 200 BR Meet Record

Ippei Watanabe broke the Pan Pacific Championship meet record to win gold in the men’s 200 breast.

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2018 Pan Pacs: Stacked Men’s 200 Breast Field Lined up for Day 4 Finals

Prenot and Watanabe are in the 2:07-range this year, while Wilson and Koseki have been in the 2:08s.

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2018 Pan Pacific Championships: Day 4 Prelims Live Recap

Yasuhiro Koseki is one of the contenders in the men’s 200 breast on day 4 of the Pan Pacific Championships.

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Josh Prenot Breaks Pan Pacs Record in 200 Breast Prelims

The former mark was a 2:08.36 done by Japanese breaststroke legend Kosuke Kitajima at the 2010 Pan Pacs.

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2018 Pan Pacific Championships: Day 1 Finals Live Recap

Japan’s Yui Ohashi is the heavy favorite for the women’s 400 IM victory, while World Champion Chase Kalisz battles Japanese Olympic champion Kosuke Hagino in the men’s race.

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Campbell Splits 50.93 As Aussies Post 2nd Fastest Mixed Medley Ever

Cate Campbell anchored the Australians in 50.93, the fastest female freestyle leg in history, as they won gold in the 400 mixed medley relay in a new Commonwealth Record.

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2018 Pan Pacific Championships: Day 1 Prelims Live Recap

Chase Kalisz will compete in the men’s 400 IM on day 1 of the Pan Pacific Championships.

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Official SwimSwam 2018 Pan Pacs Preview Index

Keep tabs on our running discipline-by-discipline previews for the 2018 Pan Pacific Championships below:

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2018 Pan Pacs Previews: US/Brazil Battle Highlights Men’s Relays

The Americans should battle Brazil for the men’s 4×100 free relay gold… but we don’t know who will be on the American team. Even the status of 2017 World champ Caeleb Dressel (pictured) is in the wind.

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2018 Pan Pacs Preview: Japan & U.S. To Trade Blows In Men’s BR Events

Could we see a World Record go down in the men’s 200 breast? With this field, someone will push for it.

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Fast-Moving Koseki Breaks Legendary Kitajima’s Breaststroke Record

While competing on the final day of the final stop of this year’s Mare Nostrum Series, 26-year-old Yasuhiro Koseki of Japan knocked out two significant national records.

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