Chombueng Marathon
Chombueng Marathon is a beloved Thai road race with a predawn start, deep local tradition, and a warm rural course around Ratchaburi Province.
Every link above goes to the race, its timing provider, or an official registration partner. Last checked July 21, 2026.
Quick facts
- Traditional Thai marathon with a strong local following.
- Predawn start limits later heat exposure.
- Rural Ratchaburi roads shape the full course.
- Seven-hour limit accommodates a wide pace range.
About the Chombueng Marathon
Often described as one of Thailand's classic marathons, Chombueng combines university involvement with strong community participation. The full marathon starts well before daylight.
Course
The road route travels through Chom Bueng and surrounding rural areas. A long support window helps recreational runners, but heat and humidity become harder after sunrise.
Race-day weather
January is part of Thailand's cooler season, yet conditions remain warm and humid by temperate standards. The 3 a.m. start is central to managing the climate.
Past Chombueng Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, January 18, 2026 | Completed | Open results |
| 2025 | — | Completed | Open results |
| 2024 | — | Completed | Open results |
Chombueng Marathon FAQ
When is the Chombueng Marathon?
We're waiting for the finalized date for the 2027 Chombueng Marathon. The most recent running was on Sunday, January 18, 2026.
How do I register for the Chombueng Marathon?
You can register for the Chombueng Marathon at runningconnect.com.
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