sentences:  In August at a meet in Nottwil, Switzerland, Dix ran a new personal best of 9.88 seconds, finishing second behind Nesta Carter who also set a new personal best of 9.86 seconds.An injury at the London Grand Prix brought an end to his season.In the first meeting of the 2011 IAAF Diamond League, at the Qatar Athletic Super Grand Prix, he won the 200 m with a time of 20.06 seconds.