1K Races in Ajax
Upcoming1raceNext upOct 4, 2026ThroughOct 2026
Browse 1 upcoming 1k races in Ajax, with dates, venues, distances, and registration details for each listing. From neighborhood fun runs to established city events, find your next 1k start line in Ajax.
Upcoming Featured Races in Ajax
1K Races in Ajax 2026
Spotlight races
August 2026
September 2026
Trail
2026 Summer Shores 5K/8K
Sep 7, 2026
Hamilton, ON
8K1K5K
Road
Longboat Toronto Island Run 2026
Sep 13, 2026
Toronto, ON
1K1 Mile5K10K
Road
Run For Barrie 2026
Sep 13, 2026
Barrie, ON
5K3K1K
Trail
2026 Monarch Ultra 10km
Sep 19, 2026
Peterborough, ON
10K1K
Trail
Harvest Trailmixer Fundraiser for Mental Health 2026
Sep 19, 2026
Guelph, ON
2.5K5K10K1K
Road
2026 Jordans Run the Runway 5K Series: London
Sep 25, 2026
London, ON
5K1K
Road
2026 Riverview Park & Zoo Fun Run and Walk
Sep 26, 2026
Peterborough, ON
5K1K
Road
2026 Cupcake Run
Sep 27, 2026
Mississauga, ON
1K5K
Trail
2026 PACE FOR THE DONKEYS 5k TRAIL RUN
Sep 27, 2026
Wellington County, ON
5K1K
Road
2026 Run4Health
Sep 27, 2026
Walkerton, ON
5K1KHalf Marathon10K
Trail
Albion Ascent Trail Race 2026
Sep 27, 2026
Hamilton, ON
1K3K5K10K+1
October 2026
Road
2026 Run for Burlington
Oct 3, 2026
Burlington, ON
3K5K1K
Trail
Rally in the Ravine 2026
Oct 3, 2026
Toronto, ON
10K5K1K
Road
2026 Ajax Waterfront Race
Oct 4, 2026
Ajax, ON
15K1K5K
Road
2026 CIBC Run for the Cure Toronto
Oct 4, 2026
Toronto, ON
5K1K
Trail
2026 Collingwood 10k
Oct 4, 2026
Collingwood, ON
5K10K1K
Road
2026 Cooper Robertson Foundation Run With Coops
Oct 4, 2026
Grimsby, ON
1K
Road
2026 Run for Newmarket
Oct 4, 2026
Newmarket, ON
5K3K1K
Trail
Run The Caves 2026
Oct 4, 2026
Warsaw, ON
Ultra1K50K25K+2
Trail
2026 Fenelon Falls Turkey Trot Trial Race & Family Fun Run
Oct 10, 2026
Kawartha Lakes, ON
1K5K10K
Showing 24 of 39 races