10K Races In Ontario
Browse 38 upcoming 10k races in Ontario, with dates, venues, distances, and registration details for each listing. Also explore 5K, Road, 1K, Trail, and Half Marathon races in Ontario, or compare options to find your next 10k start line.
10K Races in Ontario 2026
Road
Otto's Ottawa Canada Day Road Races 2026
Jul 1, 2026
Kanata, Ontario
100m1K5K10K
Trail
2026 Whiskey Run Toronto
Jul 5, 2026
Hamilton, ON
10KHalf Marathon5K
Trail
The 2026 ENDURrun Prelim
Jul 13, 2026
Waterloo, Ontario
10K5 MilesHalf Marathon10.4K+2
Trail
XTERRA Conquer the Crater 2026
Jul 18, 2026
Greater Sudbury, ON
42K21K10K5K+2
Trail
2026 Toronto Carnival Run
Jul 25, 2026
Toronto, ON
1K5K10K
Road
10KTO 2026
Jul 26, 2026
Toronto, ON
10K
Mixed
Race for Plunkett - Law Enforcement Torch Run
Aug 5, 2026
200 Doug Duncan Dr, Newmarket, Ontario
5K10K
Trail
The ENDURrun 2026
Aug 9, 2026
Waterloo Region, Ontario
5K10 Mile10KHalf Marathon+4
Trail
2026 XTERRA Sleeping Giant
Aug 16, 2026
Thunder Bay, ON
Half Marathon10K5K
Road
GLO Toronto Half/10K/5K Run 2026
Aug 23, 2026
Toronto, Ontario
Half Marathon10K5K
Trail
Grit & Grind Trail Race Camp Fortune 2026
Aug 30, 2026
Camp Fortune, Quebec
20K2K10K5K
Road
2026 Oasis ZooRun Toronto
Sep 12, 2026
Toronto, ON
5K10K
Trail
2026 Don Doan Dash
Sep 13, 2026
Brampton, ON
5K10K
Road
Longboat Toronto Island Run 2026
Sep 13, 2026
Toronto, ON
1K1 Mile5K10K
Road
Take It In Strides Run 2026
Sep 13, 2026
Thunder Bay, ON
5K10K3K
Trail
2026 Monarch Ultra 10km
Sep 19, 2026
Peterborough, ON
10K1K
Trail
2026 Trail and Ale
Sep 19, 2026
Sarnia, ON
5K10K15K
Road
2026 Canada Army Run / Course de lArmée du Canada
Sep 20, 2026
Ottawa, ON
10KHalf Marathon5K21K
Road
2026 Habitat for Humanity Chatham-Kent River Run
Sep 20, 2026
Chatham, ON
5K10K21.1K
Road
Brita Night Run 2026 - Toronto
Sep 25, 2026
Toronto, ON
10K5K
Trail
Albion Ascent Trail Race 2026
Sep 27, 2026
Hamilton, ON
1K3K5K10K+1
Road
Big Little Run 2026
Sep 27, 2026
Guelph, ON
5K10KHalf Marathon
Trail
UpRiver Running Fall Races 2026
Oct 3, 2026
Thunder Bay, ON
50K25K10K2.5K
Trail
West Rouge Sports & Recreation Association Fun Run 2026
Oct 3, 2026
Toronto, ON
10K5K