Race Weekend
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Canada's best marathon weekend
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Races
Tartan Ottawa International Marathon
Ottawa Half Marathon presented by Desjardins
Ottawa 10K presented by Otto’s Ottawa
Ottawa 5K presented by ASICS Runkeeper
Ottawa 2K presented by ASICS Runkeeper
Ottawa Kids Marathon
Challenges
The Ottawa 59.2 km Challenge
The Ottawa 36.1 km Challenge
The Ottawa 17 km Challenge
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RUNNERS AND WALKERS
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The Desjardins Charity Challenge
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Health and Fitness Expo
Plan your weekend at Festival Plaza and the Kichesippi Beer Garden
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50th Anniversary Nominations
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Tamarack Ottawa Race Weekend 2023 Livestream
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Tamarack Ottawa Race Weekend 2024
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