Running Races in Ontario
Upcoming168racesNext upAug 16, 2026ThroughMay 2027
Explore 168 upcoming running races in Ontario, including 5Ks, 10Ks, half marathons, marathons, and trail runs. Browse popular cities like Toronto, Ottawa, Hamilton, London, and Waterloo. Explore distances like 5K, Road, 10K, Trail, and Half Marathon, or compare race dates, venues, and registration links to plan your next event in Ontario.
Distances
5K (125) · 10K (62) · 1K (59) · Half Marathon (24)
Types
Road (104) · Trail (51) · Cause-Based (33) · 5K (30)
Upcoming Featured Races in Ontario
Races in Ontario 2026-2027
Spotlight races
RoadFeatured
Glen Tay Block Race 2026
Aug 27, 2026
Perth, ON
14.7K
TrailFeatured
The Cider Run 2026
Sep 19, 2026
Uxbridge, ON
40K16K1K3.5K+1
RoadFeatured
2026 Canada Army Run / Course de lArmée du Canada
Sep 20, 2026
Ottawa, ON
10KHalf Marathon5K
RoadFeatured
2026 Hamilton Marathon Road2Hope
Oct 31, 2026
Hamilton, ON
5KMarathonHalf Marathon10K+1
August 2026
Road
2026 Along the Vines 5k/10k
Aug 16, 2026
Harrow, ON
5K10K
Trail
2026 The Wooly Bully Races
Aug 16, 2026
Stella, ON
1K5K10K
Trail
2026 XTERRA Sleeping Giant
Aug 16, 2026
Thunder Bay, ON
Half Marathon10K5K
Road
A Run for Chris 2026
Aug 16, 2026
Hamilton, ON
5KKids Run
Road
Achilles International Canada Hope & Possibility® 2026
Aug 22, 2026
Toronto, ON
5K
Track
PR Night 2026
Aug 22, 2026
Ottawa, ON
5K
Road
PUMA Toronto Women's Summer 10K/5K 2026
Aug 22, 2026
Toronto, ON
10K5K
Mixed
The 5K Foam Fest - Ottawa 2026
Aug 22, 2026
Ottawa, ON
5K
Trail
Timber24 Relay 2026
Aug 22, 2026
Oro-Medonte, ON
192K
Trail
2026 Summer Sunset Series
Aug 27, 2026
Hamilton, ON
1K5K
Road
2026 24 Hour To Empower Running Challenge
Aug 29, 2026
Barrie, ON
5KUltra
Trail
2026 North of 7 Challenge
Aug 29, 2026
Cloyne, ON
Road
National Capital Pride Run 2026
Aug 29, 2026
Ottawa, ON
5K2.5K
Road
SuperPower 2026 - Toronto
Aug 29, 2026
Toronto, ON
10K5K15K
Obstacle
The 5K Foam Fest - Toronto, ON 2026
Aug 29, 2026
Uxbridge, ON
5K
Road
The Runway 2026
Aug 29, 2026
Waterloo, ON
2 Miles5 Miles200m
Trail
2026 South Huron Trail Run
Aug 30, 2026
Exeter, ON
8K3.25K
Road
BK5K Waterloo 2026
Aug 30, 2026
Waterloo, ON
5KFun Run
September 2026
Showing 24 of 168 races
Past years
Browse editions from a specific year. Upcoming calendars stay future-only.