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SundayMarathon
Marathon directory

Marathons in Thailand

48 upcoming marathons in Thailand across 2 cities. Next: Phuket Trail - 77K on September 12, 2026.

48marathons upcoming
2cities
September 12, 2026Next race
6distance types
Thailand
12SEP
ULTRA
Phuket Trail - 77K
Thailand
September 12, 2026 SEP
Thailand
13SEP
42.2K
Phuket Trail - 42K
Thailand
September 13, 2026 SEP
Thailand
18SEP
ULTRA
MUSER100 - 167K
Thailand
September 18, 2026 SEP
Thailand
19SEP
ULTRA
MUSER100 - 101K
Thailand
September 19, 2026 SEP
Thailand
19SEP
42.2K
MUSER100 - 39K
Thailand
September 19, 2026 SEP
Thailand
19SEP
ULTRA
MUSER100 - 69K
Thailand
September 19, 2026 SEP
Thailand
27SEP
ULTRA
3rd Koh Chang Trail - 55km
Thailand
September 27, 2026 SEP
Thailand
03OCT
ULTRA
5th CNX 100K Ultra Marathon - 100km
Thailand
October 3, 2026 OCT
Thailand
03OCT
ULTRA
5th CNX 50K Ultra Marathon - 50km
Thailand
October 3, 2026 OCT
Thailand
10OCT
ULTRA
Nan Mountain Trail 2026 - 102K
Thailand
October 10, 2026 OCT
Thailand
11OCT
ULTRA
The Silk Stride
Thailand
October 11, 2026 to October 18, 2026 OCT
Thailand
25OCT
21.1K
Mae Moh Half Marathon
Thailand
October 25, 2026 Certified
Thailand
25OCT
42.2K
Trail Masters Series Wangchan Valley - 41K
Thailand
October 25, 2026 OCT
Thailand
31OCT
42.2K
Thep Sadet Trail - 36K
Thailand
October 31, 2026 OCT
Thailand
07NOV
ULTRA
Cuesta X Trail - 104K
Thailand
November 7, 2026 NOV
Thailand
08NOV
42.2K
Bangsaen42 Chonburi Marathon
Thailand
November 8, 2026 NOV
Thailand
08NOV
42.2K
Korat Marathon
Thailand
November 8, 2026 Certified
Thailand
15NOV
42.2K
Bangsaen42 Chonburi Marathon
Thailand
November 15, 2026 Certified
Bangkok, Thailand
15NOV
42.2K
BDMS Bangkok Marathon
Bangkok, Thailand
November 15, 2026 Certified
Thailand
15NOV
42.2K
Korat Marathon
Thailand
November 15, 2026 NOV
Thailand
28NOV
ULTRA
Hoka Chiang Mai Thaïland by UTMB®
Thailand
November 28, 2026 NOV
Thailand
29NOV
42.2K
Amazing Thailand Marathon Bangkok - Official Bangkok Capital City Marathon
Thailand
November 29, 2026 Certified
Thailand
04DEC
ULTRA
3rd Chiangmai Thailand by UTMB - CHIANG DAO 160 - 162km
Thailand
December 4, 2026 to December 6, 2026 DEC
Thailand
06DEC
42.2K
Photak Marathon
Thailand
December 6, 2026 DEC

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Cities

Place Marathons
Bangkok 1
Chiang Mai 1

Planning notes for Thailand

Use this country page to shortlist 48 upcoming races by date, distance, registration path, and official source.

  • Next racePhuket Trail - 77K on September 12, 2026
  • Busy monthsDecember (12), January (9), November (8)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K, Kids' Run
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

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