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Dai Tamesue (為末大, Tamesue Dai, born May 3, 1978 in Hiroshima) is the first Japanese sprinter to win a medal in a track event at a World Competition. Current Japanese record holder for Men’s 400 meter hurdle (as of July 2016). Bronze medalist of the 2001 World Championships in Edmonton and 2005 World Championships in Athletics in Helsinki.

Dai Tamesue
Dai Tamesue at Josef Odlozil Memorial in Prague 27June2005.jpg
Medal record
Men's Athletics
Representing  Japan
World Championships
Bronze medal – third place 2001 Edmonton 400 m hurdles
Bronze medal – third place 2005 Helsinki 400 m hurdles
Asian Games
Bronze medal – third place 2002 Busan 400 m hurdles

Tamesue represented Japan in the Sydney, Athens, and Beijing Olympics. He started running professionally in 2003 and retired after 25 years of competitive athletics in 2012.

Pursuing ways to pass on the benefits of sports into society through associate organizations; Samurai Co., Ltd. (Representative Director), Athlete Society (Representative Director, Founded 2010), Xiborg (Founded 2014 ).

Assigned to Bhutan’s Olympic Committee (BOC) ambassador in April 2015. Continues to support countries that are limited in Olympic medal experiences.

Other assignments include; Specially assigned researcher for the Research Center for Advanced Science and Technology in Tokyo University (2014) Member of the evaluation committee for the New National Stadium reconstruction planning procedure of the Ministry of Education, Culture, Sports, Science and Technology (2015) Sports Legacy Project management committee member for the Tokyo Marathon Foundation.


Year Competition Venue Position Event Notes
Representing   Japan
1996 World Junior Championships Sydney, Australia 4th 400 m 46.03
2nd 4 × 400 m relay 3:06.01
1997 World Indoor Championships Paris, France 6th 4 × 400 m relay 3:20.18
1999 Universiade Palma de Mallorca, Spain 9th (sf) 400 m hurdles 49.84
2000 Olympic Games Sydney, Australia 62nd (h) 400 m hurdles 61.81
2001 East Asian Games Osaka, Japan 2nd 400 m hurdles 49.28
1st 4 × 400 m relay 3:03.74
World Championships Edmonton, Canada 3rd 400 m hurdles 47.89
13th (h) 4 × 400 m relay 3:02.75
2002 Asian Games Busan, South Korea 3rd 400 m hurdles 49.29
4th 4 × 400 m relay 3:05.85
2003 World Championships Paris, France 18th (sf) 400 m hurdles 49.37
2004 Olympic Games Athens, Greece 10th (sf) 400 m hurdles 48.46
2005 World Championships Helsinki, Finland 3rd 400 m hurdles 48.10
2007 World Championships Osaka, Japan 21st (h) 400 m hurdles 49.67
2008 Olympic Games Beijing, China 19th (h) 400 m hurdles 49.82
14th (h) 4 × 400 m relay 3:04.18

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