Skip to content

25K Races in Ontario

Browse 9 upcoming 25k races in Ontario, with dates, locations, and event details for each listing. Also explore 5K, Road, 10K, 1K, and Trail races in Ontario, or compare options to find your next 25k start line.

upcoming races
9
next race · 2026
Oct 3
distances
5
Phoenix Trail Races 2026Phoenix Trail Races 2026Oct 17

Ontario race calendar

October 2026

October 2026: 6 races

  1. OCT03Sat, Oct 3UpRiver Running Fall Races 2026Thunder Bay, ONTrail · 50K / 25K +2
  2. OCT04Sun, Oct 4Run The Caves 2026Warsaw, ONTrail · Ultra / 1K +4
  3. OCT10Sat, Oct 10Sticks n' Stones Trail Race 2026Hamilton, ONTrail · 25K / 53K +4
  4. OCT17Sat, Oct 17Phoenix Trail Races 2026London, ONTrail · 25K / 50K
  5. OCT17Sat, Oct 17Wise Raven Trail Race 2026Waterloo, ONTrail · 50K / 5K +2
  6. OCT24Sat, Oct 24The Lost Valley Trail Race 2026Dundas, ONTrail · 10K / 25K

More race types in Ontario