Marathons in Thailand
15 upcoming marathons in Thailand.
12 cities
Busiest: November
From €26
Upcoming races
Your guide to marathons in Thailand
There are 15 upcoming marathons in Thailand, spread across 12 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, January and June. Next up is Korat Marathon 2026 in Nakhon Ratchasima on 8 November 2026.
Questions runners ask
How many marathons in Thailand are there?
Finndu lists 15 upcoming marathons in Thailand, across 12 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
Korat Marathon 2026 in Nakhon Ratchasima, on 8 November 2026.
Which month has the most marathons in Thailand?
November, followed by January and June.
How much does it cost to enter?
Entry starts from €26. Fees vary from race to race, so check each race page for its current price.