The Sporting Life 10K run started on Yonge Street, north of Eglinton Avenue, with runners making their way downtown, before heading west and finishing up on Fort York Boulevard.
The first group of runners left the starting line at 8 a.m. Five additional corrals of runners followed them in successive waves throughout the hour.
Some of the fastest people made it across the Fort York finish line in a little more than 30 minutes.
The event raises money so that children and teens can attend Camp Oochigeas in Ontario’s Muskoka region. According to the camp's website, it provides programs for youth who have fought cancer themselves, or who have seen family members fall ill.