2. In the 2004 Athens Olympic Games, the men's 1 10 hurdles tied the world record set by British athlete colin jackson with12second 9 1. In 2006, Lausanne, Switzerland, men's 1 10 meter hurdles broke the world record of 12.88 and won the championship. Men's 1 100 meter hurdles champion at the 2007 World Athletics Championships. 20 12 The men's 1 10 meter hurdles in Eugene Station of IAAF Diamond League won the championship in 12.87 seconds. 20 12 June, 1 10 meter hurdles ranked first in the world, and Liu Xiang climbed to the top again after five years. On April 7th, 20 15, Liu Xiang officially announced his retirement.