Donner Lake Triathlon Truckee, CA   Jul 25–26, 2026

One of the best! The Donner Lake Triathlon is a favorite California Triathlon of many triathletes. The venue, setting and course offer a truly beautiful and challenging experience. Join us this July in Truckee, California!

The Donner Lake Triathlon is held at West End Beach on Donner Lake in Truckee California. Donner Lake is 2.7 miles long and 1/2 mile wide. The water is clear and clean with a maximum depth of 328 feet. West End Beach operated by the Truckee Donner Recreation and Parks District serves as the main venue. A sandy beach with majestic views of the surrounding Sierra await you.

Truckee is one of those places that if you don’t already you want to live. Noted by the editors of National Geographic Adventure as one of the world’s top ski towns, Truckee also offers those who love the mountains and outdoors with endless summer adventure opportunities.