 Complete the following phrase:  At the 2009 World Championships, Williamson failed to live up to expectations and was eliminated in the quarter-finals of the competition, recording 10.23 seconds after suffering a cramp. However, success came in the form of a relay medal, as he led off a team including Tyrone Edgar, Marlon Devonish and Harry Aikines-Aryeetey, and won the bronze, his first international relay medal. After the championships he took third at the Rieti IAAF Grand Prix, but finished last by some distance at the 