SWIMMER

Yasuhiro Koseki

1992 - Today

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Yasuhiro Koseki (小関也朱篤, Koseki Yasuhiro; born March 14, 1992) is a Japanese competitive swimmer and breaststroke specialist. He won the 100-meter event at the 2013 Summer Universiade, 2013 East Asian Games, and the 2014 Pan Pacific Swimming Championships. He hold the Asian record in this event, set in February 2014. Since 2010 Koseki studied at the Nippon Sport Science University, where he first specialized in the freestyle, and only later changed to breaststroke, motivated by Kosuke Kitajima. Read more on Wikipedia

His biography is available in 16 different languages on Wikipedia. Yasuhiro Koseki is the 777th most popular swimmer (down from 413th in 2024), the 5,586th most popular biography from Japan (down from 3,021st in 2019) and the 43rd most popular Japanese Swimmer.

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Among SWIMMERS

Among swimmers, Yasuhiro Koseki ranks 777 out of 709. Before him are Clara Basiana, Manuel Frigo, Duncan Scott, Louise Hansson, Matthew Abood, and Hugo González. After him are Rebecca Adlington, Yan Zibei, Maria Ugolkova, Martin Malyutin, Simone Manuel, and Marco Orsi.

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Contemporaries

Among people born in 1992, Yasuhiro Koseki ranks 1,445. Before him are Ramón Arias, Carlos Llavador, Mikalay Signevich, Jeremy Lamb, Kenki Fukuoka, and Mardik Mardikian. After him are Makito Ito, Sean Couturier, Robbie Brady, Elena Nikitina, Lucas Tavares, and Koen Metsemakers.

Others Born in 1992

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In Japan

Among people born in Japan, Yasuhiro Koseki ranks 5,599 out of 6,245. Before him are Kohei Yamada (1989), Yuki Shimada (1986), Kenki Fukuoka (1992), Takamasa Sakai (1988), Kai Shibato (1995), and Tomoyuki Suzuki (1985). After him are Makito Ito (1992), Naoki Yuasa (1983), Desheun Ryo Yamakawa (1997), William Popp (1994), Yuto Suzuki (1993), and Kei Koizumi (1995).

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Among SWIMMERS In Japan

Among swimmers born in Japan, Yasuhiro Koseki ranks 43. Before him are Jay Litherland (1995), Masato Sakai (1995), Rikako Ikee (2000), Junya Koga (1987), Mai Nakamura (1989), and Kanami Nakamaki (1992). After him are Kanako Watanabe (1996), Haruka Ueda (1988), Aika Hakoyama (1991), Ryo Tateishi (1989), Kei Marumo (1992), and Yuka Kato (1986).

Japanese born Swimmers

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