Whistler X Tri 2026
Whistler X Tri is an off-road triathlon held at Lost Lake Park in Whistler, British Columbia on September 19 and 20, 2026. The event combines a lake swim, mountain-bike sections on singletrack and a trail run.
The swim takes place in Lost Lake with a mass start. Mountain-bike sections use the Zappa trail network and are rated green and blue. The trail run follows singletrack through old growth forest and areas of fall colour.
Race formats include Sprint, Championship, Kids & Youth, and a Team Challenge relay. The Championship format is an official qualifier for the 2027 Multi Sports World Championship in Edmonton. Kids and youth races provide age based distances, finisher medals and a podium.
Distances
- Sprint: Swim 750 m, MTB 12.6 km, Run 5 km. Ages 16 and up.
- Championship: Swim 1500 m, MTB 25.2 km, Run 10 km. Qualifier for Worlds 2027.
- Team Challenge: Teams of 2 or 3 on the Championship course.
- Kids & Youth: Age based distances for ages 5 to 15, medals and podium.
The event is locally owned and operated by Endurance Specific Events. Visit the organization's website for the most recent information.
The Race
A Bucket List Race in a World Class Destination
Whistler X Tri (formerly known as XTERRA Whistler) is an off-road triathlon held in the heart of Whistler, BC. A pristine lake swim in Lost Lake, globally renowned MTB singletrack, and trail running through fall's spectacular colours — all in a mountain resort town that has something for the whole family.
This is not your average triathlon. The trails are real, the climbs are honest, and the finish line feeling is something you'll be chasing for years.
- 3 Disciplines
- 4 Race Formats
- 2 Race Days
The Course
Three Disciplines. One Epic Day.
The Whistler Triathlon Experience
Swim Lost Lake, then rip Whistler's legendary Zappa Trails on two wheels and two feet, and a finish line grin you won't be able to shake.
- 01 · Swim: Lost Lake - Crystal clear mountain lake. Mass start. Pure awesome.
- 02 · Mountain Bike: Zappa Trails - Whistler's legendary Zappa trail network. Green and blue rated. Technical enough to test you, manageable enough to love it.
- 03 · Trail Run: Lost Lake Trails - Singletrack through old growth, the smell of fall in the air. You'll be grinning the whole way to the finish line.
Choose Your Race
Find Your Distance
From your first tri to racing for a World Championship spot — there's a format for every athlete and every family.
Kids & Youth · Saturday Sept 19
The Next Generation of Athletes
Saturday September 19 is all about the kids. Age-appropriate swim, bike, and run distances for ages 5–15 mean every child gets a real race experience — and a real finish line moment.
Finisher medals. A podium. The kind of confidence that comes from doing something hard. This is where it starts.
