Canada
The Tamarack Ottawa Race Weekend will take place in Ottawa on Saturday 24 May 2025. You can run between 5 and 42 kilometers. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
42 km
Full Marathon
21 km
Half Marathon
10 km
10k
5 km
3 Challenges
