Mathew Kisorio

Mathew Kipkoech Kisorio (born 16 May 1989) is a Kenyan long-distance runner who competes in road running and cross country running competitions. He has a half marathon best of 58:46 minutes (making him the third fastest ever) and a marathon best of 2:10:58 hours. On the roads, he has won the Philadelphia Half Marathon, Kagawa Marugame Half Marathon and Stramilano races.

He has represented Kenya on the track and on grass. He was fourth at both the 2011 IAAF World Cross Country Championships and the 10,000 metres at the 2010 African Championships in Athletics.

He tested positive for steroids at the 2012 Kenyan Athletics Championships and admitted his drug use, claiming that medical staff in Kenya had promoted system of doping to athletes.

He was born in Kapchumba in Nandi North District as a son of runner Some Muge. His brothers Peter Kimeli Some and Nicholas Kipchirchir Togom are active runners as well.

In July 2006 he ran the 10,000 metres in 28:50.1 minutes, in Nairobi. In 2007 he won the bronze medal in the junior race at the World Cross Country Championships, and won both the 5000 and 10,000 metres at the African Junior Championships. At the 2008 World Cross Country Championships he finished sixth in the junior race. On the track, he had achieved 8:00.39 minutes in the 3000 metres in September 2007 and improved this to 7:48.73 in September 2008 in Dubnica nad Váhom. In the 5000 metres he improved himself from 13:28.43 achieved in September 2007, to clocking in 13:11.57 minutes at the 2008 World Junior Championships in Bydgoszcz, winning the silver medal.

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