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The Chiang Dao Ultra Trail in Chiang Mai is a sports race that will take place December 19 and 20, 2026 at Ban Mae Na School, in Chiang Dao district of Chiang Mai province. The event is called “CHIANG DAO 100 Ultra Trail 2026 Presented by DECATHLON”; participants can choose distances of 10, 20, 30, 50 and 100 km. Depending on the distance chosen, the cost is from 1,600 to 4,200 baht. Start times for individual races and entry requirements are not specified in the materials provided. If you plan to take part, check the schedule and requirements for your chosen distance with the organizer before you travel. This will help you clarify details that are not in the published information.
What is known about the race
“Chiang Dao 100 Ultra Trail” is a single race with five distance options. The shortest is 10 km and the longest is 100 km; distances of 20, 30, and 50 km are offered in between.
This choice lets participants pick from different distances. However, the available information does not describe the route of each distance, the terrain of the course, or the participation rules. Check these details with the organizer before registering.
When and Where
The race will take place December 19–20, 2026 at Ban Mae Na School in Chiang Dao district, Chiang Mai Province. The dates and venue are listed on the official event page.
Start times for individual distances are not confirmed in the available materials. The materials also do not list the venue’s opening hours or the daily schedule, so check them with the organizer before your trip.
Participation Terms
Distances of 10, 20, 30, 50, and 100 km are available. The fee depends on the distance and ranges from 1,600 to 4,200 baht. Admission conditions, the registration procedure, the contents of the starter pack, and refund rules are not specified in the information provided.
The route, required gear, and ways to reach Ban Mae Na School are also not confirmed. Check these questions with the organizer before choosing a distance. To plan your trip, you can look at the Chiang Mai guide and Chiang Mai event listings.
Frequently Asked Questions ❓
When will the race take place?
The event is scheduled for December 19–20, 2026. Start times for individual distances are not specified in the available information, so it is best to check the schedule with the organizer.
How much does participation cost and which distances are available?
Distances of 10, 20, 30, 50, and 100 km are offered. The fee depends on the distance you choose. Check the registration and participation conditions with the organizer.
Where will the event take place?
The venue is Ban Mae Na School in Chiang Dao district, Chiang Mai Province. The route and ways to get there are not specified in the provided materials.
Conclusion
The Chiang Dao 100 Ultra Trail will take place December 19–20, 2026, at Ban Mae Na School; five distances from 10 to 100 km are available to participants. Before registering, check the start time, participation conditions, and route details with the organizer. If you plan to run, choose a suitable distance in advance and check the latest information.