Whistler X Triathlon
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About the race
Whistler X Tri is an off road triathlon held at Lost Lake Park in Whistler, BC on September 19–20, 2026. The event combines a lake swim, mountain biking on trail singletrack, and trail running around Lost Lake. The course uses Lost Lake for the swim, with a mass start, and the Zappa Trails for the mountain bike leg. The Zappa network is described as green and blue rated and includes technical singletrack.
The trail run follows Lost Lake trails and singletrack through old growth forest. Race formats span multiple distances and age categories, and the schedule includes a dedicated Kids & Youth day. The Championship format is an official qualifier for the 2027 Multi Sports World Championship in Edmonton. Team entries can race the Championship course as a relay. Distances and formats include: - Sprint: Swim 750 m · MTB 12.6 km · Run 5 km · Ages 16+ - Championship (Worlds qualifier): Swim 1500 m · MTB 25.2 km · Run 10 km - Team Challenge relay: Teams of 2 or 3 on Championship course - Kids & Youth: Age-based swim, bike, run · Ages 5–15 The event is locally owned and operated by Endurance Specific Events and lists Jim Pattison Subaru Northshore as presenting sponsor. Visit the organization's website for the most recent information.