Tamarack Ottawa Race Weekend
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Ottawa Half Marathon presented by Desjardins
The Ottawa Half Marathon presented by Desjardins is a 21.1 km race held as part of Tamarack Ottawa Race Weekend on May 30, 2027 at Ottawa City Hall, 110 Laurier Ave W, Ottawa, Ontario. Total event capacity is 12,000 and participants must be 16 years or older.
The course is described as fast and relatively flat and passes historic landmarks and several neighbourhoods. Kilometre markers run the entire route. Xact water and hydration stations are set up approximately every 3 km and an Xact nutrition station is located at 15.25 km offering fruit bars. Cooling and misting stations are available and portable toilets are provided at every water station. Cheering and entertainment stations are placed along the route. Full medical services are provided on course and at the finish line. Strollers are not permitted.
Registration includes a spinning half marathon finisher medal, a personalized race bib for entries before May 1, professional race timing, recovery food, and two weeks free access to the Runna app. A Green Bib option allows participants to forgo a medal and redirect part of the fee to a charity fund. Optional paid add ons include a souvenir race shirt, photography packages and other items. Current price listed is $118.13 plus HST. Visit the organization's website for the most recent information.
