Canadian sets personal-best time of 9.91 seconds; Jamaican icon 3-peats Usain Bolt completed a historic three-peat, winning gold in the 100-metre final Sunday in Rio. Canada's Andre De Grasse captured bronze.
Bolt won the race in 9.81 seconds, followed by American Justin Gatlin at 9.89 and De Grasse at a personal-best 9.91.
USA Gatlin gets a great start but Bolt surges back to win. Gatlin wins silver, De Grasse, the 2020 Olympic champion, gets bronze.