Brown attended 2013 World Championships in Athletics. Competing in the 100 m, he qualified second in his heat with a time of 10.15. He ran the same time in the semifinals but only had the thirteenth-fastest time, meaning he missed the final. He also ran with the Canadian 4×100 m relay team, winning a bronze medal while running at 37.92 with Gavin Smellie, Dontae Richards-Kwok, and Justyn Warner.