500 Thailand
Date: January 11, 2026
Location: Pai, Mae Hong Son Province, Thailand
Distances: 100K, 200K, 300K, 500K
Description: The 500 Thailand is an extreme ITRA-certified multi-stage ultra trail race in northern Thailand's mountainous region, challenging runners with vast distances over seven days. The course navigates remote trails, rice terraces, and hill tribe villages in Mae Hong Son, emphasizing self-sufficiency and adventure. It's designed for seasoned ultrarunners seeking one of Asia's toughest endurance events.
Visit Race Website