Running Races in London 2025
Races33racesFromJun 8, 2025ThroughDec 2025
Explore 33 2025 running races in London, including 5Ks, 10Ks, half marathons, marathons, and trail runs, or compare race dates, venues, and registration links to plan your next event in London.
Distances
5K (22) · 10K (13) · 1K (10) · Half Marathon (5)
Types
Road (22) · Trail (5) · Fun Run / Charity (4) · Ultra (2)
Upcoming Featured Races in London
Race Calendar London 2025
Spotlight races
March 2025
April 2025
May 2025
Road
Toronto Marathon Race Series 2025
May 4, 2025
Toronto, ON
Marathon5K10KHalf Marathon
Road
Sporting Life 10K 2025
May 11, 2025
Toronto, ON
10K
Mixed
Sulphur Springs Trail Race 2025
May 24, 2025
Hamilton, ON
Road
Baden Running Races 2025
May 25, 2025
Kitchener, ON
2.5K200m5K
Road
Shoppers Drug Mart® Run for Women - Markham 2026
May 25, 2025
Toronto, ON
5K1K10K
June 2025
Road
Ancaster Mill Race 2025
Jun 3, 2025
Hamilton, ON
1K10K5K
Mixed
19th Annual Spring Into Action 2K/5K Walk or Run - Youth Mental Health Day 2025
Jun 7, 2025
Toronto, ON
2K5K
Trail
2025 5 Peaks Trail Running Series: Crawford Lake
Jun 7, 2025
Toronto, ON
3K12.3K6.1K18.4K+1
Road
2025 Moon in June Road Race Burlington
Jun 7, 2025
Burlington, ON
10K1K5K
Mixed
International Hallers' Run 2025
Jun 7, 2025
Niagara-on-the-Lake, ON
Mixed
Lakeside Laps for Brain Injury Awareness 2025
Jun 7, 2025
Waterloo, ON
4K8K200m
Trail
Niagara's 12 Mile Creek Trail Half Marathon & 7k Cancer Run 2025
Jun 7, 2025
Hamilton, ON
Half Marathon7K
Mixed
Shoppers Drug Mart® Run for Women - Toronto 2025
Jun 7, 2025
Toronto, ON
5K1K10K
Trail
The Ridge Runner 2025
Jun 7, 2025
Toronto, ON
Trail
Twelve Mile Creek Trail Half Marathon 2025
Jun 7, 2025
Toronto, ON
Road
Big Little Run 2025
Jun 8, 2025
Guelph, ON
5K10KHalf Marathon
Trail
Cambridge Mill Race 2025
Jun 8, 2025
Guelph, ON
1K8K
Road
Canada Life Forest City Road Races 2025
Jun 8, 2025
London, ON
0K10K5KHalf Marathon+1
Road
Pickle 6K 2025
Jun 8, 2025
Hamilton, ON
6K
Showing 24 of 213 races
Explore race hubs in London
Other years
Browse editions from a specific year. Upcoming calendars stay future-only.