by Brett Larner A summary of Japanese results from the final day of the Asian Junior Athletics Championship 2010 in Hanoi, Vietnam: Seiya Kato won the gold medal in the boys' 400 m hurdles in 50.83, with teammate Yuichi Nagano scoring bronze in 51.21. Mahiro Akamatsu likewise won gold in the girls' 3000 m, running 9:36.47, while teammate Naoko Koizumi was only 5th. Ikuto Yufu and Ikki Takeuchi took silver and bronze in the boys' 5000 m, Yufu losing by less than one second to Kenyan-born Bahraini Edwin Chebii Kimurer . Manabu Aoki took the silver medal in the boys' 10000 m race walk in 45:01.73. Taishi Nakayama won bronze in the boys' 200 m in 21.05 after winning his semi-final. Winner Chimdee Suppachai of Thailand set a new Games record of 20.80. Naohiro Yokoyama was eliminated at the semi-final stage. The boys' 4x400 m relay team won silver in 3:12.14, while the boys' 4x100 m relay team won bronze in 40.64. Sho Kawamoto was 5th in the boys' 8...
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