05/24/2026
Livestream 🔗 https://tvstream24.com/tamarack-race/
The Tamarack Ottawa Race 2026 is scheduled for 23 - 24 May.
The Tamarack Ottawa Race Weekend 2026 is scheduled for Saturday, May 23, and Sunday, May 24, 2026. As one of Canada’s largest and most prestigious running events, it features the Tartan Ottawa International Marathon (a Boston Qualifier) and the Canadian 10K Championships.