2026 half marathon calendar
1,391 races scheduled from today to the end of 2026, with dates, places, fees and official links. The list updates itself as we add new races.
25OCT 26
HALF10K5K
Mae Moh Half MarathonMae Mo · Thailand · in 4 days
01NOV 26MARATHON21K10K5K
Amazing Nan MarathonBan Si Phan Ton · Thailand · in 11 days01NOV 26
HALF10K5K3K
Scenic Half Marathon Chiang MaiBan Om Kon · Thailand · in 11 days07NOV 26
HALF11K5K
Sangkhla Sunset RunSangkhla Buri · Thailand · in 17 days
08NOV 26MARATHON21K10K5K
Korat MarathonNong Phai Lom · Thailand · in 18 days15NOV 26
MARATHON21K10K5K
Bangkok MarathonBangkok · Thailand · in 25 days
21NOV 26HALF10K5K3K
Allianz Ayudhya World Run Thailand Series Nakhon RatchasimaNong Phai Lom · Thailand · in 31 days · 21K · US$2922NOV 26
MARATHON21K11K5K
Phichit Running ChallengeTambon Kha Mang · Thailand · in 32 days22NOV 26
HALF11K5K
Rayong MarathonRayong · Thailand · in 32 days
22NOV 26HALF10K5K
Run for freedom : Bitcoin Half MarathonChiang Mai · Thailand · in 32 days · 21K · US$30
28NOV 26MARATHON21K10K4.5KRegistration open
Amazing Thailand Marathon BangkokBangkok · Thailand · in 38 days
05DEC 26HALF10K5K
International Anti-Corruption Day RunBangkok · Thailand · in 45 days · 21K · US$26
12DEC 26MARATHON21K10K5K
Scenic Half Marathon Nakhon PhanomNakhon Phanom · Thailand · in 52 days · 42K · US$43.50
13DEC 26MARATHON21K11K6K
Kathu MarathonKathu · Thailand · in 53 days13DEC 26
MARATHON21K10K5K
Photak MarathonBan Phon Thong · Thailand · in 53 days20DEC 26
HALF
Bangsaen21 Half MarathonHuai Kapi · Thailand · in 60 days
20DEC 26MARATHON21K10K3K
Chiang Mai MarathonChiang Mai · Thailand · in 60 days · 42K · US$46
20DEC 26HALF11K6K
Sakon Run DerBan Na Mueang · Thailand · in 60 days