2012 Racing for Milliken Mills High School of Markham, Ont., De Grasse runs a preliminary heat in 23.32 seconds at a regional meet. In doing so, he fails to qualify for the provincial high-school championships in the event. Next

2013 De Grasse posts a season-best time of 20.72 seconds to qualify for the Canada Summer Games, where he later wins gold in 21.38 seconds. Next

2014 Competing for Coffeyville Community College in Kansas, De Grasse sets a new personal record of 20.38 seconds in winning the NJCAA Division 1 outdoor title. Next

2015 De Grasse makes waves at the Pan Am Games in Toronto, winning gold in both the 100- and 200-metre events. He ekes out the 200-metre victory in 19.88 seconds, both a personal best and Canadian record. Next

2016 De Grasse finishes second in the Olympic semi-final in 19.80 seconds, setting a new personal mark and breaking the national record yet again. He goes on to win silver in Thursday night’s final. Next