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Provinces

Ontario102 Alberta53 British Columbia43 Quebec25 Newfoundland and Labrador10 Manitoba9 Saskatchewan9 New Brunswick7 Nova Scotia7 Yukon2 Northwest Territories1 Prince Edward Island1

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CalgaryAlberta19 EdmontonAlberta18 HamiltonOntario16 TorontoOntario15 LondonOntario12 OttawaOntario12 VancouverBritish Columbia11 WinnipegManitoba8 KelownaBritish Columbia6 St. John'sNewfoundland and Labrador6 MontrealQuebec5 ReginaSaskatchewan5

Terrain

Road204 Trail189 Mixed19 Cross Country5 Obstacle5 Track1

Distances

5K274 10K201 Half Marathon71 Marathon25 Ultra7

ExploreFind your next start lineBrowse upcoming Canadian races by place, distance, and terrain.

Run Clubs

Cities

Toronto32 Ottawa27 Vancouver20 Montreal12 Edmonton7 Calgary6 Gatineau4 Winnipeg3 Mississauga1

ExploreFind a group runExplore local running crews, weekly meetups, and beginner-friendly clubs.

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Canada-wide race and run-club listings

RacesOntarioMarathon Races In Ontario

Marathon Races In Ontario

Browse 6 upcoming marathon 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 marathon start line.

79 races
5K
59 races
Road
35 races
10K
33 races
1K
30 races
Trail
12 races
Half Marathon
9 races
3K
7 races
2K
5 races
50K
4 races
21.1K

Marathon Races in Ontario 2026

Falling Water Trail Marathon/ Half Marathon 2026

Eugenia, Ontario

63.3KHalf MarathonMarathon

The ENDURrun 2026

Waterloo Region, Ontario

5K10 Mile10KHalf Marathon+4

TCS Toronto Waterfront Marathon 2026

Half Marathon5KMarathon

2026 Niagara Falls 10k, Half & Marathon

Niagara Falls, ON

10KHalf MarathonMarathon

2026 U.S. & International Registrants, Niagara Falls 10k, Half & Marathon

Niagara Falls, ON

10KMarathonHalf Marathon

2026 Hamilton Marathon Road2Hope

Marathon5KHalf Marathon10K+1

More race types in Ontario

79 races

5K

59 races

Road

35 races

10K

33 races

1K

30 races

Trail

12 races

Half Marathon

9 races

3K

7 races

2K

5 races

50K

4 races

21.1K

4 races

21K

4 races

25K

4 races

8K

4 races

Mixed

3 races

1 Mile

3 races

Obstacle