Ottawa Race Weekend is Ottawa's largest multi-day running event, held in Ottawa on the last weekend of May, hosting seven races including the marathon, half marathon, 10K, 5K, 2K, kids' marathon, and a wheelchair marathon, routing through central Ottawa with City Hall as the hub. The marathon is Boston-qualifying and includes Canadian Marathon Championships, with tens of thousands of participants annually and a strong volunteer and spectator presence. The weekend typically includes a running expo and additional events that draw both domestic and international participants.
1: Tamarack Ottawa Race Weekend is the biggest multi-day race event in Canada. 1: Tamarack Ottawa Race Weekend is host to the World Athletics label Tamarack Homes Ottawa International Marathon....
www.runottawa.caFind Tamarack Ottawa Race Weekend 2026 details for May 23-24, including the marathon, half marathon, 10K, 5K, 2K, kids races, routes and start times.
therunningdirectory.caThe Tamarack Ottawa Race Weekend’s Running & Fitness Expo, May 21-23, is back and bigger than ever! Free and open to the public, this vibrant three-day event will feature more than 55 exhibitors showcasing the latest in wellness, sports gear, nutrition, and more. Friday and Saturday’s Stage Schedule features panel discussions, guest speakers, a fashion show, and course previews. Located at the Carleton University Fieldhouse, 1125 Colonel By Drive, the Expo is also the official bib pickup for...
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