Tamarack Ottawa Marathon

Location: Ottawa, Canada

Date: 24 May, 2026

Distance:

The Tamarack Ottawa Marathon features the beautiful scenery of Canada’s Capitol City. It is Canada’s largest and fastest marathon and one of two World Athletics Gold Label marathon events in Canada. The race attracts thousands of participants, including a world-class contingent of pro athletes every year. 

The Tamarack Ottawa Marathon is one of Canada’s largest Boston Qualifiers. The marathon route begins and ends at Ottawa City Hall. 

If you would prefer to search on hotels located closer to the start/finish area, click on the Event Website button to find these details. You can then type the address information into the location field of the map below, to find accommodation closer to the start finish. The location field is the top red bar on the map below.