Running Races in Ontario
Explore 113 upcoming running races in Ontario, including 5Ks, 10Ks, half marathons, marathons, and trail runs. Browse popular cities like Hamilton, Ottawa, Toronto, London, and Kitchener, or compare race dates, venues, and registration links to plan your next event in Ontario.
Races in Ontario 2026
Road
Canada Day Barrie 2026
Jul 1, 2026
Barrie, ON
1K5K
Road
Canada Day Races 2026
Jul 1, 2026
Burlington, ON
1K3K5K
Track
KRRA Limestone Mile Canada Day 2026
Jul 1, 2026
Kingston, ON
1.61K1M
Road
Otto's Ottawa Canada Day Road Races 2026
Jul 1, 2026
Kanata, Ontario
100m1K5K10K
Road
Rebecca Run for SMA 2026
Jul 4, 2026
Newmarket, ON
5K
Trail
2026 Whiskey Run Toronto
Jul 5, 2026
Hamilton, ON
10KHalf Marathon5K
Obstacle
The 5K Foam Fest - Kitchener, ON 2026
Jul 11, 2026
Kitchener, Ontario
5K
Road
2026 Hintonburg 5K and 1K
Jul 12, 2026
Ottawa, ON
1K5K
Road
Running Of The Steers 2026
Jul 12, 2026
Kingston, NS
Trail
The 2026 ENDURrun Prelim
Jul 13, 2026
Waterloo, Ontario
10K5 MilesHalf Marathon10.4K+2
Road
The 5/15 Farm Run 2026
Jul 15, 2026
Ottawa, Ontario
15K1K5K
Road
2026 SUMMER NIGHT 5K
Jul 17, 2026
London, ON
5K2K150m
Obstacle
The 5K Foam Fest - Wasaga Beach, Ontario 2026
Jul 18, 2026
Wasaga Beach, Ontario
5K
Trail
XTERRA Conquer the Crater 2026
Jul 18, 2026
Greater Sudbury, ON
42K21K10K5K+2
Road
2026 Cider Winders 5K
Jul 22, 2026
Carp, ON
5K
Trail
2026 Toronto Carnival Run
Jul 25, 2026
Toronto, ON
1K5K10K
Trail
Tally in the Valley Trail Race 2026
Jul 25, 2026
Hamilton, Ontario
100 Miles21K
Mixed
The 5K Foam Fest - London, ON 2026
Jul 25, 2026
London, ON
5K
Mixed
The 5K Foam Fest - London, Ontario 2026
Jul 25, 2026
London, Ontario
5K
Road
10KTO 2026
Jul 26, 2026
Toronto, ON
10K
Road
2026 Jonny's Gold Ribbon 5km Run/Walk
Jul 26, 2026
Hamilton, ON
5K
Road
2026 RUN WITH RESPONDERS 5K
Jul 26, 2026
Windsor, ON
5K1K
Road
Downtown Kitchener Mile 2026
Jul 29, 2026
Kitchener, ON
1 Mile
Trail
Grit & Grind Trail Race: Dunrobin Edition 2026
Jul 29, 2026
Dunrobin, Ontario
5K2K