Races by location and type
100K Races in Ontario
Browse upcoming 100k races in Ontario, with race dates, distances, locations, and registration details.
1 race listed
More race types in Ontario
109 races
5K
89 races
Road
52 races
1K
49 races
10K
34 races
Trail
20 races
Half Marathon
13 races
2K
10 races
Marathon
9 races
3K
6 races
8K
5 races
25K
5 races
50K
4 races
200m
4 races
Obstacle
3 races
15K
3 races
2.5K
3 races
80K
3 races
Cross Country
3 races
Mixed
3 races
Ultra
2 races
20K
2 races
21K
2 races
400m
2 races
7.5K
2 races
7K
1 race
0.25K
1 race
0.2K
1 race
0.6K
1 race
1 Mile
1 race
1.2K
1 race
1.6K
1 race
10.4K
1 race
100 Miles
1 race
100m
1 race
130K
1 race
14K
1 race
2.1K
1 race
2.3K
1 race
21.1K
1 race
24.6K
1 race
25.6K
1 race
26.5K
1 race
40K
1 race
4K
1 race
5 Miles
1 race
53K
1 race
6.5K
1 race
60K
1 race
63.3K
1 race
65K
1 race
6K
1 race
800m
1 race
9K
1 race
Fun Run
1 race
Fun Run / Charity
1 race