BTS 100

BTS 100 Ultra is an international cross-country running event held in the Bromo Tengger Semeru National Park (TNBTS), East Java. The event challenges runners to conquer extreme terrain with spectacular routes that traverse forests, savannas, hills, and volcanic sand seas around Mount Semeru. With distance categories ranging from 8 km to 170 km, BTS 100 Ultra not only tests physical and mental endurance but also offers a running experience amidst one of Indonesia's most beautiful natural landscapes, while promoting sportsmanship and environmental conservation.