 Complete the following phrase:  Continuing with his training, he set a series of personal bests in 2011, running 6.77 seconds for the 60 metres, 10.39 seconds for the 100 m, and 20.90 seconds for the 200 m. He brought his bests down further in 2012 10.26 and 20.72, but did not compete at any major events. He began working with a new coach, Bryn Davis, in 2013 and he pairing delivered results. Brown opened the year with a 60 m best of 6.70 seconds and went on to place sixth in the 200 m at the Jamaican Athletics Championships with a best of 20.49 seconds. This earned him selection for the 