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Xu Zizhou ((中国語:徐自宙); born 8 January 1981) is a Chinese former track and field sprinter. His personal best of 45.25 seconds for the 400 metres is the Chinese record for the event. He was the 400 m bronze medallist at the Asian Athletics Championships in 2000 and secured a gold medal at the 2001 East Asian Games. He broke Chinese youth and junior records for the 400 m and was highly successful at the start of his career, representing China at the 1998 World Junior Championships in Athletics and winning the 400 m title at the 1998 World Youth Games. He was a five-time Chinese champion (four times over 400 m, once in 200 metres) and took a 200/400 m double at the National Games of China in 2001. Despite early success, he retired early in his career, ceasing to compete at age 24. ==Career== Born in Hepu County, Guangxi, Xu began his career as a 400 metres specialist. At the age of sixteen he was runner-up in that event at the 8th National Games of China with a Chinese youth record of 46.01 seconds.〔(8th National Games medallists ) . jx918. Retrieved on 2013-12-27.〕 He won his first national title the following year at the 1998 Chinese Athletics Championships – the first of three consecutive Chinese titles. His debut global performance came at the 1998 World Youth Games, where he was the 400 m champion as well as the gold medallist in the 4×400 metres relay.〔(World Youth Games ). GBRAthletics. Retrieved on 2013-12-27.〕 An appearance at the 1998 World Junior Championships in Athletics came the next month, but there he failed to make the finals of either the 200 m or 400 m.〔(Zhizhou Xu ). IAAF. Retrieved on 2013-12-27.〕 Xu also claimed the 400 m title at the 1999 Chinese City Games.〔(Chinese Championships ). GBRAthletics. Retrieved on 2013-12-27.〕 He was 200 metres runner-up at the 1999 Chinese Championships then claimed a 200/400 m double at the 2000 national event. He set Chinese junior records of 20.62 seconds for the 200 m and 45.55 seconds for the 400 m that year.〔(Xu Zizhou ). Tilastopaja. Retrieved on 2013-12-27.〕 His first international medal came at the 2000 Asian Athletics Championships, where he took the 400 m bronze.〔(Asian Championships ). GBRAthletics. Retrieved on 2013-12-27.〕 Xu's best performances came in the 2001 season. A Chinese national record run of 45.25 seconds came at the 2001 East Asian Games, which brought him the gold medal and also a games record.〔(East Asian Games ). GBRAthletics. Retrieved on 2013-12-27.〕 His was a 200/400 m double champion at the 9th Chinese Games, setting his personal best of 20.60 seconds in the 200 m final.〔 The 2001 Universiade was hosted in Beijing that year and Xu took fourth in the 200 m in the Chinese capital.〔 His 2002 was less successful: he mainly focused on the 200 m and the highlights of his season were a runner-up finish at the national championships and a fifth place at the 2002 Asian Games in a season's best of 20.77 seconds.〔 He returned to his specialist event the following year and claimed his fourth 400 m national title at the Chinese Championships.〔 His performances began to diminish from that year on. He was third in the 200 m at the 2004 national championships, but did not make it to the semi-finals of the 400 m. In his final year of competition in 2005 he won the 200 m title at the Asian University Athletics Championships,〔(Asian University Championships ). GBRAthletics. Retrieved on 2013-12-27.〕 and was a semi-finalist in that event at the national championships. In his last major national event he helped Guangdong to the 4×400 m relay title, but did not go beyond the 200 m heats individually.〔 This marked the end of his athletic career. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Xu Zizhou」の詳細全文を読む スポンサード リンク
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