IRONMAN 70.3 Mont-Tremblant

Athletes gather at Lac Tremblant and Quebec's Laurentian Mountains for this demanding 70.3 triathlon. General registrations for the 2026 IRONMAN 70.3 Mont-Tremblant sold out in less than one month. This race showcases serious competition within a beautiful natural setting, drawing participants focused on achieving their best. The course starts with a swim in Lac Tremblant, followed by a bike ride through Quebec's Laurentian Mountains, and concludes with a run through Mont-Tremblant. This event attracts a dedicated group of triathletes, with its rapid sell-out indicating its standing as a significant challenge.