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10K Races in Ontario

Browse 59 upcoming 10k races in Ontario, with dates, locations, and event details for each listing. Also explore 5K, Road, 1K, Trail, and 21.1K races in Ontario, or compare options to find your next 10k start line.

upcoming races
59
next race · 2026
Oct 3
distances
5
2026 Hamilton Marathon Road2Hope2026 Hamilton Marathon Road2HopeOct 31

Ontario race calendar

October 2026

October 2026: 30 races

  1. OCT03Sat, Oct 32026 Muskoka MarathonBracebridge, ONRoad · 5K / 10K +2
  2. OCT03Sat, Oct 3Rally in the Ravine 2026Toronto, ONTrail · 10K / 5K +1
  3. OCT03Sat, Oct 3UpRiver Running Fall Races 2026Thunder Bay, ONTrail · 50K / 25K +2
  4. OCT03Sat, Oct 3West Rouge Sports & Recreation Association Fun Run 2026Toronto, ONTrail · 10K / 5K
  5. OCT04Sun, Oct 42026 Collingwood 10kCollingwood, ONTrail · 5K / 10K +1
  6. OCT04Sun, Oct 42026 Run for the FrontlineSarnia, ONRoad · 1K / 5K +1
  7. OCT04Sun, Oct 4Bimbo Global Race 2026 — TorontoToronto, ONRoad · 10K / 5K +1
  8. OCT04Sun, Oct 4CHEO RBC Race for the Kids Ottawa 2026Ottawa, ONRoad · 10K / 5K +1
  9. OCT04Sun, Oct 4Oakville 21.1 2026Oakville, ONRoad · 5K / Half Marathon +1
  10. OCT04Sun, Oct 4Run The Caves 2026Warsaw, ONTrail · Ultra / 1K +4

More race types in Ontario