Running Races in Ontario
Explore 118 upcoming running races in Ontario, with dates and locations for each listed event. Browse popular cities like Toronto, Ottawa, Hamilton, London, and Waterloo. Explore distances like 5K, Road, 10K, Trail, and Half Marathon, or compare race dates and event details to plan your next event in Ontario.
- upcoming races
- 118
- next race · 2026
- Oct 2
- distances
- 5
Ontario race calendar
Map for October 2026
October 2026
October 2026: 62 races
- OCT02Fri, Oct 22026 Jordan's Run the Runway 5K Series: Sarnia-LambtonSarnia, ONRoad · 1K / 5KRoad · 1K / 5K
- OCT03Sat, Oct 32026 5 Peaks Trail Running Series: Heart LakeBrampton, ONTrailTrail
- OCT03Sat, Oct 32026 Muskoka MarathonBracebridge, ONRoad · 5K / 10K +2Road · 5K / 10K +2
- OCT03Sat, Oct 32026 PHM Run for the ResidentsMarkham, ONRoad · Half MarathonRoad · Half Marathon
- OCT03Sat, Oct 32026 Run for BurlingtonBurlington, ONRoad · 3K / 5K +1Road · 3K / 5K +1
- OCT03Sat, Oct 3Manotick Backyard Ultra 2026Ottawa, ON5K / 1K5K / 1K
- OCT03Sat, Oct 3PUMA Toronto Women's Fall 8K/5K 2026Toronto, ONRoad · 8K / 5KRoad · 8K / 5K
- OCT03Sat, Oct 3Rally in the Ravine 2026Toronto, ONTrail · 10K / 5K +1Trail · 10K / 5K +1
- OCT03Sat, Oct 3UpRiver Running Fall Races 2026Thunder Bay, ONTrail · 50K / 25K +2Trail · 50K / 25K +2
- OCT03Sat, Oct 3West Rouge Sports & Recreation Association Fun Run 2026Toronto, ONTrail · 10K / 5KTrail · 10K / 5K
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