May 24, 2025
Tamarack Ottawa Race Weekend
12:00 am - 11:59 pm
45-5450 Canotek Road, Ottawa, K1J 9G2
About Event
Canada’s most popular multi-day running event sees close to 50,000 participants compete in a variety of challenging races—including the country’s largest marathon—along picturesque downtown routes.
In May, keen runners—including Olympic athletes and champions from around the world—converge on Canada’s capital to compete in one or more of six amazing events: the marathon, half marathon, 10K, 5K, 2K and kids’ marathon.
Tens of thousands of spectators line routes along the Rideau Canal, the Ottawa River and other scenic locations to cheer on the competitors. Before and after the race, runners and spectators enjoy live entertainment, a beer garden, and a health and fitness expo, all near the starting area at Ottawa City Hall.
Tamarack Ottawa Race Weekend is one of the only running events in the world to host two World Athletics Gold Label events: the Scotiabank Ottawa Marathon and the Ottawa 10K.
Hosted by Ottawa Tourism
The official website of tourism in Ottawa, Tourism Ottawa promotes and highlights and promotes what is going on in Ottawa and what to see.
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