Marathon Races in Ontario
Browse 3 marathon trail running and hiking routes in Ontario. Distance range: 26.2 mi to 27.2 mi. Elevation gain: 99 ft to 426 ft. Each route includes terrain analysis, elevation profiles, and pacing recommendations.
Key Takeaways
| Route Name | Location | Distance | Elevation Gain | Type | Race Date |
|---|---|---|---|---|---|
| TCS Toronto Waterfront Marathon | Toronto, Ontario | 26.2 mi | 426 ft | race | Oct 18, 2026 |
| Toronto Waterfront Marathon | Toronto, Ontario | 26.2 mi | 223 ft | race | — |
| Howard Watson Nature Trail (ON, Canada) | Lambton County, Ontario | 27.2 mi | 99 ft | route | — |
Frequently Asked Questions
How many trail races are in Ontario?
There are 2 organized races and 1 self-supported routes available in Ontario.
What is a Marathon race?
A Marathon race is approximately 25.5 to 27.3 miles in distance.
What is the average elevation gain in Ontario?
The average elevation gain is 249 feet, with routes ranging from 99 to 426 feet.
Can these marathon routes in Ontario be used for hiking?
Yes. 50% of these routes are on trail surfaces, making them suitable for both trail running and hiking. The terrain analysis and elevation profiles help hikers plan their adventures just as effectively as runners.
Are Marathon races beginner-friendly?
Marathon race difficulty varies widely. Use the elevation gain and terrain analysis to assess each route. Races with lower elevation gain relative to distance and higher runnable percentages tend to be more beginner-accessible.
Want filters, map view, and route intelligence?
Browse with Interactive Map →