The 2025 Muskoka Marathon takes place on Sunday, October 5th at Santa’s Village in Bracebridge, Ontario. This Athletics Ontario-sanctioned event features distances from 5 km to the full marathon on flat, scenic, and Boston Marathon-qualifying courses along the beautiful Muskoka River, making it ideal for runners of all levels.

Participants can enjoy fast, paved routes designed for personal bests, hydration stations every 2.5 km, and family-friendly children's fun runs that include races on the go-kart track and through the theme park.

- Double out-and-back loop starting at Santa’s Village
- Flat course with approximately 55 meters total elevation change
- Entirely paved roads on Santa’s Village Road, Wellington Street, Beaumont Drive
- Certified Boston Marathon-qualifying course
- Hydration stations every 2.5 km
- Road race type
- Age restrictions apply for certain distances (under 10 or 12 must be accompanied by registered adult)

- Hydration stations every 2.5 km
- Family-friendly children’s fun runs with races on go-kart track and through Santa’s Village theme park
- Certified Boston Marathon-qualifying course
- Scenic flat routes along the Muskoka River
- Participant cap of approximately 4,000 runners
- No strollers or pets allowed on course or in start corrals