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SundayMarathon
Marathon directory

Marathons in Thailand

64 upcoming marathons in Thailand across 2 cities. Next: Nongkhai Running Festival on August 1, 2026.

64marathons upcoming
2cities
August 1, 2026Next race
6distance types
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
Thailand
11DEC
ULTRA
Mae Takhrai Trail - 177K
Thailand
December 11, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 107K
Thailand
December 12, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 72K
Thailand
December 12, 2026 DEC
Thailand
12DEC
ULTRA
Mae Takhrai Trail - 84K
Thailand
December 12, 2026 DEC
Thailand
12DEC
42.2K
Scenic Marathon Nakhon Phanom
Thailand
December 12, 2026 Certified
Thailand
13DEC
42.2K
Photak Marathon
Thailand
December 13, 2026 Certified
Thailand
13DEC
21.1K
Scenic Half Marathon Nakhon Phanom
Thailand
December 13, 2026 DEC
Thailand
19DEC
ULTRA
Chiang Dao 100 - 104K
Thailand
December 19, 2026 DEC

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Hosting a marathon in Thailand? Submit the official source for free so runners can verify the race before they plan travel.

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Cities

Place Marathons
Bangkok 1
Chiang Mai 1

Planning notes for Thailand

Use this country page to shortlist 64 upcoming races by date, distance, registration path, and official source.

  • Next raceNongkhai Running Festival on August 1, 2026
  • Busy monthsAugust (13), December (12), September (11)
  • 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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