Big Blue Adventure Donner Lake Triathlon

For years the Big Blue Adventure Donner Lake Triathlon has been and remains the favorite triathlon of many. It’s no wonder as the event features an epic setting, a beautiful and challenging course, and is located very near Truckee and North Lake Tahoe. 2026 also marks the 15th Donner Lake Kids Triathlon and the 13th Donner Lake Half Triathlon. We welcome you to Truckee and North Lake Tahoe. Make sure to plan to stay prior to or after so that you can experience one of the World’s best sporting playgrounds.

The DLT is owned and operated by Big Blue Adventure, LLC. Big Blue Adventure produces many sporting and endurance events in the Tahoe and Truckee area.