Skip to content
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
01AUG
ULTRA
AKHA Trail - 57K
Thailand
August 1, 2026 AUG
Thailand
01AUG
ULTRA
AKHA Trail - 79K
Thailand
August 1, 2026 AUG
Thailand
01AUG
42.2K
Nongkhai Running Festival
Thailand
August 1, 2026 Certified
Thailand
02AUG
21.1K
Scenic Half Marathon Rayong
Thailand
August 2, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 101K
Thailand
August 8, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 142K
Thailand
August 8, 2026 AUG
Thailand
08AUG
42.2K
CM6 - 43K
Thailand
August 8, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 58K
Thailand
August 8, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 62K
Thailand
August 8, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 77K
Thailand
August 8, 2026 AUG
Thailand
08AUG
ULTRA
CM6 - 83K
Thailand
August 8, 2026 AUG
Thailand
22AUG
42.2K
Songkhla Marathon
Thailand
August 22, 2026 to August 24, 2026 Certified
Thailand
30AUG
42.2K
Uthai Trail - 39K
Thailand
August 30, 2026 AUG
Thailand
05SEP
21.1K
Scenic Half Marathon Krabi
Thailand
September 5, 2026 to September 7, 2026 Certified
Thailand
06SEP
ULTRA
Jungle -Trail Khao Eto - 51K
Thailand
September 6, 2026 SEP
Thailand
06SEP
21.1K
Watlaharnrai Half Marathon
Thailand
September 6, 2026 Certified
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

List your marathon with verified details

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

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Already listed in Thailand? Open the race and use Update listing. Missing event? Add it for free with the location prefilled.

Submit for review How review works

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.

Browse all countries