Calendar

Thailand: ultra (45 km+) races

Upcoming races, with dates, distances and the link to enter.

11races

Updated weekly

October 20262

25OCT
Sunday · Num nao, Thailand
Nam Nao Geopark Trail
23 km37 km56 kmTrail
See the detailsExternal entry — opens on an external siterunlah.com
31OCT
Saturday · Doi Saket, Thailand
THEP SADET TRAIL
36 km56 km101 kmTrail
See the detailsExternal entry — opens on an external siterace.thai.run

1NOV
Sunday · Ban Paeng, Thailand
ULTRA NAKEE NAKA TRAIL
16 km34 km47 kmTrail
See the detailsExternal entry — opens on an external sitefacebook.com
7NOV
Saturday · Sikhio, Thailand
Cuesta X Trail
to 8 November 2026
34 km53 km104 kmTrail
See the detailsExternal entry — opens on an external siterunlover.net
8NOV
Sunday · Chiang Rai, Thailand
Ruammit Ultra Trail
12 km35 km50 kmTrail
See the detailsExternal entry — opens on an external siterace.thai.run
8NOV
Sunday · Pha Hob, Thailand
Ultra Trail Pha Hob
16 km36 km47 kmTrail
See the detailsExternal entry — opens on an external sitefacebook.com
21NOV
Saturday · Hua Hin, Thailand
AIA ONE BILLION TRAIL
29 km50 kmTrail
See the detailsExternal entry — opens on an external siteaobdayth.com
29NOV
Sunday · Kapong, Thailand
PHUTAJOR TRAIL
26 km49 kmTrail
See the detailsExternal entry — opens on an external siterace.thai.run

11DEC
Friday · Mae Takhrai National Park Thailand, Thailand
Mae Takhrai Trail
to 13 December 2026
9 km24 km33 km56 kmTrail
See the detailsExternal entry — opens on an external sitefacebook.com
19DEC
Saturday · Chiang Dao, Thailand
CHIANG DAO 100
to 20 December 2026
20 km36 km53 km104 kmTrail
See the detailsExternal entry — opens on an external siterace.thai.run
20DEC
Sunday · Konsan, Thailand
HUAIYANG TRAIL
34 km49 kmTrail
See the detailsExternal entry — opens on an external siterunrace.in.th