🇹🇭 Thailand: ultramarathons and ultra trails
10 races scheduled between October 2026 and July 2027. Every race lists dates, locations, distances and official links; the list is updated daily.
31OCT 26
10K100K50K5K
24H Bangkok International ChampionshipsBangkok · Thailand · in 11 days22NOV 26
TRAIL311K200K195K
500 ThailandPai · Thailand · in 33 days28NOV 26
TRAIL96K56K39K
Hoka Chiang Mai Thaïland by UTMB®Chiang Mai · Thailand · in 39 days26DEC 26
TRAIL60K
Sriracha Ultra 100Laem Chabang · Thailand · in 67 days · 100K · US$81
06FEB 27MARATHON100K18K10K
Suan Phueng 100 Ultra MarathonSuan Phueng · Thailand · in 109 days13FEB 27
TRAIL50K
Trail des OrchidéesChiang Dao · Thailand · in 116 daysFEB 27
TRAIL102K55K28K
Amazean Jungle Thailand by UTMB®Betong · Thailand29MAY 27
TRAIL24K13K
Khaokho MarathonBan Lao Ya · Thailand · in 221 days05JUN 27
TRAIL60K50K
Phuket 100K Ultra MarathonSi Sunthon · Thailand · in 228 days31JUL 27
TRAIL77K54K23K
AKHA TrailMae Sai · Thailand · in 284 days · 100K · US$158