Amazing Thailand Marathon

Bangkok, Thailand · November 29, 2026

78°·78° high·Light·Dry

Weather

Race Day Weather

78°at start

83° high

Breezy

Dry

Hot start

A warm 78°F start means heat management is critical — consider dialing back your goal pace by 10-20 sec/mi. Light winds shouldn't be a major factor for pacing. Moderate humidity at 74% is worth noting for effort level, especially in later miles.

Race day forecast available in 61 days

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Distance: 26.2mi

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Race Info

The Amazing Thailand Marathon is an AIMS-certified marathon through central Bangkok, Thailand, held on the World Athletics Bronze Label calendar. The 2026 edition starts and finishes at Sanam Luang, the royal square beside the Grand Palace, with the full marathon starting at 2:00 AM to avoid Bangkok's daytime heat. The race weekend also includes a half marathon, 10K and 4.5K family run. Agunafr Bekele (2:14:27) and Eunice Muchiri (2:39:27) set the current course records in 2025.

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Course Map

FAQ

When is the 2026 Amazing Thailand Marathon?

The 2026 Amazing Thailand Marathon will be held on Sunday November 29, 2026.

Is the Amazing Thailand Marathon a Boston Marathon Qualifier?

Yes, the Amazing Thailand Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Amazing Thailand Marathon?

The forecast calls for a high of 88°F and a low of 75°F with a 3% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.