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5K Races in Ontario

Browse 91 upcoming 5k races in Ontario, with dates, locations, and event details for each listing. Also explore Road, 10K, 1K, Trail, and 21.1K races in Ontario, or compare options to find your next 5k start line.

upcoming races
91
next race · 2026
Oct 2
distances
5
2026 Hamilton Marathon Road2Hope2026 Hamilton Marathon Road2HopeOct 31

Ontario race calendar

October 2026

October 2026: 50 races

  1. OCT02Fri, Oct 22026 Jordan's Run the Runway 5K Series: Sarnia-LambtonSarnia, ONRoad · 1K / 5K
  2. OCT03Sat, Oct 32026 Muskoka MarathonBracebridge, ONRoad · 5K / 10K +2
  3. OCT03Sat, Oct 32026 Run for BurlingtonBurlington, ONRoad · 3K / 5K +1
  4. OCT03Sat, Oct 3Manotick Backyard Ultra 2026Ottawa, ON5K / 1K
  5. OCT03Sat, Oct 3PUMA Toronto Women's Fall 8K/5K 2026Toronto, ONRoad · 8K / 5K
  6. OCT03Sat, Oct 3Rally in the Ravine 2026Toronto, ONTrail · 10K / 5K +1
  7. OCT03Sat, Oct 3West Rouge Sports & Recreation Association Fun Run 2026Toronto, ONTrail · 10K / 5K
  8. OCT04Sun, Oct 42026 Ajax Waterfront RaceAjax, ONRoad · 15K / 1K +1
  9. OCT04Sun, Oct 42026 CIBC Run for the Cure Ottawa-GatineauOttawa, ONRoad · 5K / 1K
  10. OCT04Sun, Oct 42026 CIBC Run for the Cure TorontoToronto, ONRoad · 5K / 1K

More race types in Ontario