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Shigeru So (宗 茂, Sō Shigeru) (born 9 January 1953 in Usuki, Ōita) is a retired long-distance runner from Japan, who represented his native country at two Summer Olympics: 1976 and 1984. He won the 1985 edition of the Tokyo Marathon. His twin brother Takeshi So is also a retired Olympic marathoner, and finished fourth in Los Angeles, California (1984).

Some road racing authorities consider his winning run at the Beppu-Ōita Marathon in 1978 (2:09:05.6) to have been a marathon world best.[nb 1]



  • All results regarding marathon, unless stated otherwise
Year Competition Venue Position Notes
Representing   Japan
1978 Beppu-Ōita Marathon Beppu-Ōita, Japan 1st 2:09:06
1979 Lake Biwa Marathon Ōtsu, Japan 1st 2:13:26
1981 Beppu-Ōita Marathon Beppu-Ōita, Japan 1st 2:11:30
Fukuoka Marathon Fukuoka, Japan 3rd 2:10:19
1984 Olympic Games Los Angeles, United States 17th 2:14:38
1985 Tokyo Marathon Tokyo, Japan 1st 2:10:32
Beijing Marathon Beijing, PR China 1st 2:10:23


  1. ^ The International Association of Athletics Federations has published a progression of road racing world bests and records that were widely recognized prior to ratification and official acceptance by the IAAF. According to that progression, Derek Clayton's 2:08:34 performance in Antwerp on 30 May 1969 was a world best at the time.[1] Other road racing authorities, including the Association of Road Racing Statisticians, consider Clayton's performance to have occurred on a short course and recognize other athletes in the progression for world best in the marathon.[2]


  1. ^ "12th IAAF World Championships In Athletics: IAAF Statistics Handbook. Berlin 2009" (PDF). Monte Carlo: IAAF Media & Public Relations Department. 2009. pp. 546, 563, 565, 651, and 653. Retrieved 15 May 2010.
  2. ^ Association of Road Racing Statisticians, World Best Progressions- Road. Retrieved 15 May 2010.

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