5th CNX 100K Ultra Marathon
5th CNX 100K Ultra Marathon is a 100 km ultramarathon in Chiang Mai, Thailand, taking place on Oct 3, 2026.
- Date
- Oct 3, 2026
- Distance
- 100 km
- Location
- Chiang Mai, Thailand
- Format
- Fixed distance
More ultras in Thailand
- 3rd Koh Chang TrailSep 27, 2026 · Koh Chang, Thailand · 55 km
- 5th CNX 50K Ultra MarathonOct 3, 2026 · Chiang Mai, Thailand · 50 km
- 3rd Thep Sadet Trail 100kmOct 31 – Nov 1, 2026 · Doi Saket, Chiang Mai, Thailand · 100 km
- 3rd Thep Sadet Trail 50kmOct 31, 2026 · Doi Saket, Chiang Mai, Thailand · 56 km
- 3rd Chiangmai Thailand by UTMB - CHIANG DAO 160Dec 4 – Dec 6, 2026 · Wat Tham Chiang Dao, Thailand · 162 km