Your gateway to trail running in Northern Thailand's mountains

CM1 offers newcomers to trail running the perfect introduction to Chiang Mai's challenging terrain. Despite being the shortest distance, this race delivers a genuine mountain experience with significant elevation gain across varied trail surfaces. The route combines single-track trails with dirt roads, featuring technical sections that will test your trail skills without overwhelming first-time ultra runners. Ideal for road marathon runners ready to explore vertical challenges and discover Thailand's trail running community.