Hagg Lake Triathlon & Multi-sports Festival

Experience the thrill of athleticism and community at the Hagg Lake Triathlon & Multi-Sports Festival in Gaston, Washington on June 20, 2026. Celebrating its 45th anniversary, this iconic event offers various race distances, including the Olympic and Sprint Triathlons, Duathlons, AquaBike, and the new Off-Road options. Trail enthusiasts can also partake in the Half Marathon Trail Run and 5K Trail Run amidst the breathtaking Hagg Lake scenery. Whether you're a seasoned athlete or a beginner, this historic festival welcomes all to challenge themselves in a supportive environment. Join us for a memorable experience on one of the nation's most picturesque courses and be a part of the enduring legacy of the Hagg Lake Triathlon.