Set in the heart of Québec’s Laurentian Mountains, the IRONMAN 70.3 Mont-Tremblant offers athletes a challenging yet breathtaking course. The race begins with a 1.9 km swim in the pristine waters of Lac Tremblant, followed by a 90 km bike ride on closed roads featuring rolling hills and stunning vistas. The final leg is a 21.1 km run through the charming Mont-Tremblant Village, culminating in a festive finish line atmosphere. This event is a qualifier for the 2025 IRONMAN 70.3 World Championship in Marbella, Spain. While general registration has sold out, limited entries remain available through IRONMAN Experiences powered by NIRVANA and the IRONMAN Foundation.   
Race Date:
22 June, 2025
The IRONMAN 70.3 Mont-Tremblant will take place on Sunday, June 22, 2025, in Mont-Tremblant, Quebec, Canada, and is organized by IRONMAN. This half-distance triathlon features a 1.9 km swim in Lac Tremblant, a 90 km bike ride through the Laurentian Mountains, and a 21.1 km run finishing in the heart of the Mont-Tremblant pedestrian village.
Weather based on historical averages.
The IRONMAN 70.3 Mont-Tremblant will take place on Sunday, June 22, 2025, in Mont-Tremblant, Quebec, Canada, and is organized by IRONMAN. This half-distance triathlon features a 1.9 km swim in Lac Tremblant, a 90 km bike ride through the Laurentian Mountains, and a 21.1 km run finishing in the heart of the Mont-Tremblant pedestrian village.
The IRONMAN 70.3 Mont-Tremblant is 21km long.
The IRONMAN 70.3 Mont-Tremblant takes place in Mont-Tremblant, QC, Canada.
Runna classifies the IRONMAN 70.3 Mont-Tremblant elevation profile as Rolling.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
The IRONMAN 70.3 Mont-Tremblant will take place on Sunday, June 22, 2025, in Mont-Tremblant, Quebec, Canada, and is organized by IRONMAN. This half-distance triathlon features a 1.9 km swim in Lac Tremblant, a 90 km bike ride through the Laurentian Mountains, and a 21.1 km run finishing in the heart of the Mont-Tremblant pedestrian village.
The IRONMAN 70.3 Mont-Tremblant is 21km long.
The IRONMAN 70.3 Mont-Tremblant takes place in Mont-Tremblant, QC, Canada.
Runna classifies the IRONMAN 70.3 Mont-Tremblant elevation profile as Rolling.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
Triathlon
Ironman
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by IRONMAN 70.3 Mont-Tremblant or IRONMAN Group. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the IRONMAN 70.3 Mont-Tremblant website.