CNX 100K Ultra Marathon

Embark on an epic adventure in Chiang Mai, Thailand, where you can challenge your limits and take in stunning vistas in a 100-kilometer adrenaline-fueled odyssey. Experience the CNX 100K Ultra Marathon, exploring iconic landmarks like Mae Kuang Udom Thara Dam, Huai Jo Reservoir, Mae Jo Farm, and the quaint village of San Sai District. Push boundaries, achieve greatness, and seize the opportunity to join an unforgettable journey. Register now and be part of this incredible experience!