Ottawa 2025 Marathons

The Ottawa Marathon takes runners on a scenic route through the heart of Canada's capital, featuring iconic landmarks like Parliament Hill and the Rideau Canal, with a mix of flat stretches and gentle inclines. As a centerpiece of the Tamarack Ottawa Race Weekend, this event offers an exhilarating atmosphere with vibrant community support and a culturally immersive experience, making it a standout choice for marathon enthusiasts worldwide.

The Tamarack Ottawa Marathon takes runners on a scenic 42.2 km loop through Canada's capital, featuring a mix of rolling hills and flat stretches with iconic sights like the Rideau Canal and Parliament Hill. As part of Canada's largest running event, this World Athletics Gold Label race boasts enthusiastic crowd support and an inviting late-May climate, making it an unforgettable experience for both elite athletes and spirited amateurs.