The 2026 USA Triathlon Multisport National Championship Festival is coming to Lake Arvesta Farms in South Haven, Michigan, hosted by Tris4Health. This premier event will bring together athletes from across the country to compete in a celebration of endurance, diversity, and multisport community spirit. Against the backdrop of one of the country's favorite beach towns, participants and spectators alike will experience a weekend filled with world-class racing, camaraderie, and the unique charm of South Haven—making it an unforgettable destination for athletes and fans of all levels.