 Complete the following phrase:  In the 2010 season he competed at the World Indoor Championships for the first time. He was a 400 m semifinalist but an injury to Ayre in the relay meant the Jamaican relay team did not finish. He improved his personal best to 44.54 seconds with a run at the Herculis meeting in Monaco, finishing second behind compatriot Jermaine Gonzales. He was selected to represent the Americas team over 400 m at the 