How many marathons are there in Ottawa?

2 upcoming. The next one is The Maple Leaf March -- La Marche Maple Leaf on Sunday, October 11, 2026. Rebuilt from the race calendar daily.

When is the next marathon in Ottawa?

The Maple Leaf March -- La Marche Maple Leaf, Sunday, October 11, 2026. Open it for the start time, distances and the official registration link.

No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.

2 upcoming in Ottawa. Every one links to the organizer's official registration page.

New races in Ottawa, once a month

Newly listed races, and the registrations closing in the next three weeks. One email a month, one click to leave.

How many marathons are there in Ottawa?: 2 upcoming. The next one is The Maple Leaf March -- La Marche Maple Leaf on Sunday, October 11, 2026. Rebuilt from the race calendar daily.
When is the next marathon in Ottawa?: The Maple Leaf March -- La Marche Maple Leaf, Sunday, October 11, 2026. Open it for the start time, distances and the official registration link.
Do I register here?: No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.