IRONMAN Canada-Ottawa
The Canadian full distance now runs in Ottawa: 3.8 km in the river, 180 km out through the surrounding countryside, and a 42.2 km marathon in the downtown core finishing near the Château Laurier, with Parliament Hill and the canal on the route.
A capital-city marathon is the argument for this race. The run is flat, urban, and lined with people, and the landmarks give you something to count off other than kilometres.
The argument against is August in the Ottawa valley. It is one of the more humid stretches of the Canadian summer, and a flat exposed marathon in that air is slower than the profile suggests. The river swim temperature and current are also worth checking rather than assuming.
This is a newer edition of the race in this location, so course reports are thin on the ground. Read the athlete guide properly instead of relying on what someone told you about a previous host city.
Who it's for
Built for experienced triathlon athletes.
Good fit if you…
- are experienced in triathlon and want a hard race
- want a well-known, high-status race
Maybe not if you…
- are brand-new to triathlon: start with something shorter
What should you know about IRONMAN Canada-Ottawa?
- Date
- Sunday, 8 August 2027
- Format
- Full Distance / 140.6
- Water temp
- 21°C · 70°F
Need to know
When is IRONMAN Canada-Ottawa 2027?
IRONMAN Canada-Ottawa takes place on Sunday, 8 August 2027. Dates can move year to year, so confirm the exact day on the official race page before you book travel.
How do you register for IRONMAN Canada-Ottawa?
Where does IRONMAN Canada-Ottawa take place?
Ottawa, Canada
When has IRONMAN Canada-Ottawa taken place before?
FAQs
What do athletes ask about IRONMAN Canada-Ottawa?
Where is IRONMAN Canada-Ottawa held?
IRONMAN Canada-Ottawa is held in Ottawa, Canada in the ON region. The race page has the venue location and a map, and links straight through to the official site for the precise start area.
What distances can you race at IRONMAN Canada-Ottawa?
IRONMAN Canada-Ottawa offers Full Distance / 140.6. The Full Distance / 140.6 is a 3.8 km swim, 180 km bike and 42.2 km run. Pick your distance and enter on the official site. Each format usually has its own start wave and cut-offs.
How hard is IRONMAN Canada-Ottawa?
IRONMAN Canada-Ottawa is rated elite (5/5) for difficulty on FindMyNextRace, based on its distance, terrain, and the level of the field. Use that as a guide and match it to your current fitness before you commit.
How do I enter IRONMAN Canada-Ottawa?
You enter IRONMAN Canada-Ottawa through the official organiser. Registration is handled on their site, and FindMyNextRace links you straight there. Places for popular editions can sell out early, so register as soon as entry opens.
Is IRONMAN Canada-Ottawa part of a race series?
Yes, IRONMAN Canada-Ottawa is part of the IRONMAN series. Series events often share a qualification, points, or championship pathway, so if you're chasing the series, check how this race fits its calendar.
How should I train for IRONMAN Canada-Ottawa?
Training for IRONMAN Canada-Ottawa depends on your target distance and current fitness. Most athletes follow a structured block of 12–20 weeks for a Full Distance / 140.6 effort. Build a plan tailored to your race date and level with AI Training Plan (https://aitrainingplan.app).
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