
Distances: CHIANG DAO 160 (160 km) · ELEPHANT 100 (100 km) · PAGODA 50 / HMONG 50 (50 km) · INTHANON 20 (20 km) · 10K (10 km) · PAGODA 50 (Night) (57 km) · HMONG 50 (Day) (63 km) · HMONG 50 (Night) (63 km) · SUTHEP 20 (Day) (26 km) · SUTHEP 20 (Night) (26 km) · CHEDI 20 (17 km) · WARM UP RUN - INTHANON (5 km) · WARM UP RUN - PAO PARK (3 km)
Follow in Bibbed0 following · 14 of 15 dates verified
Heads up Needs a qualifying time
Get in
Asia/BangkokChecked 18 Sep 2026 against the organiser's page ↗
Bring
UTMB Index expected: 50K needs 20K/50K/100K/100M index; 100K needs 50K/100K/100M; 100M needs 100K/100M. None for 20K and shorter.
100M, 100K, 50K: born 2005 or before (registration site: 20+). 20K: born 2007 or before (18+).
Refund only with cancellation insurance (10% of fee) bought at registration; no deferral to next year.
Typical race-week weather
5-year average · Open-MeteoWhat this week usually looks like, not a forecast.
Race weekend
INTHANON 20 is a loop starting and finishing at Doi Inthanon National Park Headquarters, 07:00, 7-hour limit.