5K Races in Ontario
Upcoming108racesNext upSep 12, 2026ThroughMay 2027
Browse 108 upcoming 5k races in Ontario, with dates, venues, distances, and registration details for each listing. Also explore Road, 10K, 1K, Trail, and Cause-Based races in Ontario, or compare options to find your next 5k start line.
Distances
5K (107) · 1K (49) · 10K (47) · Half Marathon (19)
Types
Road (80) · 5K (23) · Trail (23) · Cause-Based (22)
Upcoming Featured Races in Ontario
5K Races in Ontario 2026-2027
Spotlight races
September 2026
Road
11th Annual Ottawa Run For Palestine Fundraiser
Sep 12, 2026
Ottawa, ON
2K5K10K
Road
2026 North Bay Road Race
Sep 12, 2026
North Bay, ON
5K1 Mile10KHalf Marathon
Road
2026 Oasis ZooRun Toronto
Sep 12, 2026
Toronto, ON
5K10K
Trail
2026 Beat Bechtel
Sep 13, 2026
Waterloo, ON
5K
Trail
2026 Don Doan Dash
Sep 13, 2026
Brampton, ON
5K10K
Road
Georgina Marathon & Half-Marathon 2026
Sep 13, 2026
Georgina, ON
5K10KHalf MarathonMarathon
Road
Longboat Toronto Island Run 2026
Sep 13, 2026
Toronto, ON
1K1 Mile5K10K
Road
Run For Barrie 2026
Sep 13, 2026
Barrie, ON
5K3K1K
Road
Run For Milton 2026
Sep 13, 2026
Milton, ON
5K
Road
Take It In Strides Run 2026
Sep 13, 2026
Thunder Bay, ON
5K10K3K
Road
WINDSOR WATERFRONT HALF MARATHON & 5KM 2026
Sep 13, 2026
Windsor, ON
Half Marathon5K
Road
2026 Faculty of Health Fun Run
Sep 19, 2026
Waterloo, ON
5K2.5K
Trail
2026 Trail and Ale
Sep 19, 2026
Sarnia, ON
5K10K15K
Road
2026 Walk to Remember
Sep 19, 2026
Mississauga, ON
5K
Trail
Harvest Trailmixer Fundraiser for Mental Health 2026
Sep 19, 2026
Guelph, ON
2.5K5K10K1K
Road
RBC Race for the Kids Toronto 2026
Sep 19, 2026
Toronto, ON
5K2K
Road
2026 Constantine Yorkville Run
Sep 20, 2026
Toronto, ON
5K
Road
2026 Habitat for Humanity Chatham-Kent River Run
Sep 20, 2026
Chatham, ON
5K10K21.1K
Trail
2026 Trail Party: Walk, Hike, or Run for rare
Sep 20, 2026
Cambridge, ON
Walk5K
Road
Terry Fox Run Ottawa 2026
Sep 20, 2026
Ottawa, ON
5K
Road
Terry Fox Run Toronto — Ward's Island 2026
Sep 20, 2026
Toronto, ON
5K
Trail
2026 BLUE BULLY ULTRA
Sep 25, 2026
The Blue Mountains, ON
50K25K5K
Showing 24 of 108 races