 Complete the following phrase:  He became his countrys first ever medallist at the World Junior Championships in Barcelona, missing his aim of the championship record but still winning by a margin of more than half a second in 44.85. Acknowledging his quick progression, he said: so far only Americans have finished in under 44 seconds, I want to be the first from somewhere else. He was beaten to that distinction by Grenadas Kirani James in the 