42.2K
42.2K
- 10K
- 5K
- Half Marathon
- Marathon
- Road
St. Lawrence Marathon 2027
- Cornwall, ON
About St. Lawrence Marathon 2027
St. Lawrence Marathon returns to Cornwall on April 24, 2027. The official site lists Marathon, Half-Marathon, 10km and 5km distances.
Pick your distance
21.1K
Half Marathon
10K
10K
5K
5K
Prices from the organizer. Please check the official website for up-to-date times and pricing.
Highlights
The 2027 race date is Saturday, April 24.
The official site lists Marathon, Half-Marathon, 10km and 5km options.
Course
- Surface
- Road
- Location
- Cornwall, ON
Course details
The official site describes a route along the St. Lawrence River and the Great Lakes Waterfront Trail, finishing in Cornwall.
More races like this
Other editions
Listing freshness
The Running Directory combines organizer-provided details, official race links, and ongoing listing research. Always confirm final dates, prices, times, and course details with the race organizer before registering.
Last updated: September 26, 2026
