Ultramarathons in Thailand
UltraRaces tracks 10 ultra races in Thailand — trail ultras, backyard ultras, timed and stage races — each with dates, distance and a link to the official website. See them all on the interactive map.
Upcoming races (9)
- 3rd Koh Chang TrailSep 27, 2026 · Koh Chang · 55 km
- 5th CNX 100K Ultra MarathonOct 3, 2026 · Chiang Mai · 100 km
- 5th CNX 50K Ultra MarathonOct 3, 2026 · Chiang Mai · 50 km
- 3rd Thep Sadet Trail 100kmOct 31 – Nov 1, 2026 · Doi Saket · 100 km
- 3rd Thep Sadet Trail 50kmOct 31, 2026 · Doi Saket · 56 km
- 3rd Chiangmai Thailand by UTMB - CHIANG DAO 160Dec 4 – Dec 6, 2026 · Wat Tham Chiang Dao · 162 km
- 2nd Thailand 12HJan 9, 2027 · Samut Sakhon · 12 h
- 2nd Thailand 24HJan 9, 2027 · Samut Sakhon · 24 h
- 2nd Thailand 6HJan 9, 2027 · Samut Sakhon · 6 h
Past races (1)
- 4th Phuket 100K Ultra MarathonJun 6, 2026 · Mai khao Talang Phuket · 100 km