Southern Ontario hosted a variety of races, from Toronto Island Run to Georgina Marathon and Unfinished Backyard Ultramarathon. Each event offered unique challenges for participants.

The Toronto Island Run, a scenic 10K, saw Alex Cyr win the men’s race in 30:32. Kristy Titanic led the women’s race with a time of 40:58. The heat was a significant challenge for runners. Read more trail coverage.

Georgina Marathon attracted runners with its flat course along Lake Simcoe. Will Bryden won the men’s marathon in 2:37:12, while Jennifer Mundt topped the women’s in 3:04:42. The event also raised funds for the Georgina Food Pantry. Related: 2026 Run Rabbit Run 100 Mile Preview: Prize Money and Top Runners.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.