Claim: Zhao Chengliang joined the World Championships for race walking where he won 5th and 15th in 2005 and 2009 respectively but was unfortunately disqualified in 2007; he also joined the World Race Walking Cup in 2004 placing 19th, and in 2006 placing 8th.
Evidence: 2005 World Championships 5th 2009 World Championships 15th 2007 World Championships — DSQ 2004 World Race Walking Cup 19th 2006 World Race Walking Cup 8th