Browse 2 upcoming 12k 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 12k start line.
Distances
12K (2) · 50 Mile (2) · 50K (2) · 100 Mile (1)
Types
Trail (2) · 50K (1) · Other (1) · Ultra (1)
12K Races in Ontario 2026
126 races
104 races
62 races
59 races
51 races
