Amazing Thailand Marathon

Bangkok, Thailand · November 29, 2026

78°·78° high·Light·Dry

Weather

Race Day Weather

78°at start

84° high

Breezy

Dry

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Warm start, hydrate early

Runners will face a start temperature of 78°F, climbing to 83°F by the finish with a high humidity of 74% and a dew point of 69°F. Light winds will come from the NNE at 9 mph with gusts up to 17 mph. Runners should adjust their pace conservatively and prioritize hydration throughout the race.

Race day forecast available in 19 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.

Website

Race weekend

Saturday, November 28

4:00 AMHalf Marathon (13.1 mi)

Sunday, November 29

6:00 AM10K (6.2 mi)

6:45 AMFamily Fun Run (2.8 mi)

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 is the time limit for the Amazing Thailand Marathon?

The time limit for the Amazing Thailand Marathon is 7 hours.

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.