Back to Countries

Country Guide

Races in Thailand.

2 upcoming races across Thailand, with dates and entry details.

Upcoming races in Thailand

2 upcoming races

Nov 29, 2026
Opening Soon
Amazing Thailand Marathon Bangkok
Bangkok, Thailand
Marathon
Also: Half Marathon, 10K, 5K
See full guide
Dec 20, 2026
Registration Open
Muang Thai Chiang Mai Marathon
Chiang Mai, Thailand
Marathon
Also: Half Marathon, 10K
See full guide

Top Cities in Thailand

Bangkok

Chiang Mai

Browse Collections

Marathons in Asia Half Marathons in Asia Flat Marathons in Asia Flat Half Marathons in Asia Boston Qualifier Marathons in Asia Spring Marathons in Asia Spring Half Marathons in Asia Summer Marathons in Asia

Plan Your Race

Pace Calculator

Plan your splits and finish time

Predict your time from a recent result

Check your Boston qualifying time

Plan your race-day nutrition

Difficulty Analyzer

Score the course difficulty

Get your VDOT training zones

Explore More Countries

Discover races in other popular destinations around the world.

View All Countries