Browse 1 upcoming 12.5k races in Ontario, with dates, venues, distances, and registration details for each listing. Also explore 5K, Road, 10K, 1K, and Trail races in Ontario, or compare options to find your next 12.5k start line.
Distances
12.5K (1) · 25K (1) · 50K (1)
Types
Trail (1)
12.5K Races in Ontario 2026
112 races
94 races
57 races
45 races
