The 12th Niseko Classic 2025, to be held from June 13 to 15, will serve as the test event for the 2026 UCI Gran Fondo World Championships in Niseko. The event will feature the same disciplines as the World Championships, including the Gran Fondo and Medio Fondo road races, time trial, and team relay. As a key pre-event leading up to the world-class competition, it is expected to attract significant attention from both domestic and international cycling communities.