Canada’s Andre De Grasse, left, and Jamaica’s Usain Bolt smile to each other as they cross the line of a men’s 200-meter semifinal during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. (AP Photo/Tim Donnelly)
Jamaica’s Usain Bolt, right, and Canada’s Andre De Grasse compete in a men’s 200-meter semifinal during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. (AP Photo/David J. Phillip)
Jamaica’s Usain Bolt, right, and Canada’s Andre De Grasse compete in a men’s 200-meter semifinal during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. (AP Photo/David J. Phillip)
Canada’s Andre De Grasse (left) and Jamaica’s Usain Bolt share a laugh before they pass the finish line as they set the two fastest times in the 200-metre semifinals at the Olympic games in Rio de Janeiro, Brazil, Wednesday August 17, 2016. THE CANADIAN PRESS/Frank Gunn