Here's what you need to know about the Ironman Canada-Ottawa event on Sunday
This is the first ever Ironman triathlon to be held in Canada's capital.
The event will result in road closures across Ottawa and Gatineau beginning at 3 a.m. on Sunday.
CTVNewsOttawa.ca looks at what you need to know about the Ironman Canada-Ottawa race on Sunday.
What is it?
The Ironman Canada is a long-distance triathlon series, featuring a 3.8-kilometre swim, followed by a 180-kilometre bike ride and a 42.2-kilometre run.
The Ironman Canada-Ottawa triathlon is part of the VinFast Ironman North America Series and will offer qualifying slots to the 2026 VinFast Ironman World Championship.
The Ironman Canada-Ottawa race begins Sunday at 6 a.m. at Britannia Beach. An athlete must cross the finish line by 12 a.m.
Course
The 2025 Ironman Canada-Ottawa triathlon will begin with a 3.8 kilometre two-loop swim in the Ottawa River at Britannia Park.
The first transition is located at Britannia Beach, where athletes will begin the bicycle portion of the Ironman.
2025 Ironman Canada event in Ottawa
This is the swim course for participants in the 2025 Ironman Canada event in Ottawa. (ironman.com)
The bicycle course is a 2.75 loop covering 180 kilometres along the parkways between Britannia and Blackburn Hamlet, on Colonel By Drive to Mooney's Bay and move across the Ottawa River to Gatineau.
2025 Ironman Canada event in Ottawa
This is the bike course for participants in the 2025 Ironman Canada event in Ottawa. (ironman.com)
The second transition is in Major's Hill Park in downtown Ottawa, where athletes will transition from the bicycle to the running course.
The 42.2 km course will see runners compete in two loops of the course that includes running along Queen Elizbeth Driveway, through the Central Experimental Farm and around Parliament Hill.
The finish line is located on Murray Street next to the National Gallery of Canada and Major's Hill Park.
2025 Ironman Canada event in Ottawa
This is the marathon course for participants in the 2025 Ironman Canada event in Ottawa. (ironman.com)
Race schedule for Sunday
4 a.m. – Transition area opens
6 a.m. – Start of the Ironman Canada-Ottawa at Britannia
6 p.m. – Mandatory bike and gear checkout
10 p.m. to 12 a.m. – Magic Hour – Finish Line Celebration
There will be a mandatory shuttle bus to the Britannia Beach swim start between 3:30 a.m. and 5:30 a.m.
Race timing and cut-offs
All athletes will have 17 hours to complete the entire course once they cross the swimming mat at the swim start.
'Anyone who does not complete the event in 17 hours will be designated as Did Not Finish in the official results,' according to Ironman.
The swim course will close two hours and 20 minutes after the last athlete enters the water via the rolling start. Any athlete that does not complete the 3.8 km swim in two hours and 20 minutes will receive a DNF.
The bicycle course will close 10 hours and 30 minutes after the last athlete enters the water. Each athlete will have 10 hours and 30 minutes to complete the swim, transition one and the bike course regardless of when they start the swim.
The intermediate cut-off on the bike course is 120.5 km at 2:55 p.m., while the intermediate cut-off on the run course is 20.9 km at 9 p.m.
Confederation Park
The Ironman Canada-Ottawa athlete check-in begins at 1 p.m. on Thursday.
Confederation Park in downtown Ottawa is home to:
Ironman Village
Athlete Check-In and Timing Chip Pick-Up
Official Ironman Store
Athlete Briefings
The IronKids Fun Run will be held on Friday at 2 p.m. at Confederation Park.
The welcome ceremony will be held on Friday from 5:30 p.m. to 7 p.m. in Confederation Park.
On Sunday, the Celebration Day Breakfast (8:30 a.m.) and the Ironman-Canada-Ottawa Awards Ceremony and roll down ceremony will be held in Confederation Park (9:30 a.m. to 11 a.m.)
Road closures
The City of Ottawa says several roads and bridges will be closed starting at 3 a.m. Sunday, with many roads remaining closed until 1 a.m. Monday.
The Alexandra Bridge will be closed from 9:30 a.m. on Friday, until noon on Monday, Sussex Drive will be closed between Murray Street and St. Patrick Street from 5 a.m. on Sunday until 6 p.m. on Monday, and Mackenzie Avenue will be closed from 6 a.m. on Sunday until 7 a.m. on Monday.
Ironman
A map of road closures for Ironman Ottawa. (City of Ottawa)
Major roads impacted by the event include:
Kichi Zībī Mīkan
Island Park Drive
Carling Avenue
Wellington Street
Colonel By Drive
Mackenzie Avenue
Sussex Drive
Rockcliffe Driveway
Queen Elizabeth Driveway
Prince of Wales Drive
National Capital Commission Scenic Driveway
Arboretum Roadway
Sir George-Étienne Cartier Parkway
Bridges impacted by the event include:
Alexandra Bridge
Champlain Bridge
Chaudière Bridge
Portage Bridge
Pretoria Bridge
OC Transpo routes that use these roads will be detoured during the event.
With files from CTV News Ottawa's Ted Raymond
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