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The Doi Inthanon race in Chiang Mai will be held in two parts: from November 27 to 29, 2026, at the Doi Inthanon National Park Head Office, and from December 3 to 6 at Chiang Mai PAO Park. The program includes trail distances, day and night starts, and warm-up races. The first part includes “Pagoda 50” and “Inthanon 20”, and the second part covers distances from “Chiang Dao 160” to “Chedi 20”. For the day and night “Pagoda 50” races, start times are published: 07:00 and 18:00. Registration closed on October 31, 2026, or earlier if places filled up. Early registration costs may have changed. Information is current as of November 2026; check details with the organizer before your trip.
Race program
The race is organized by Running Connect with support from UTMB International; the event owner is the Sports Authority of Thailand.
The first part takes place at the Doi Inthanon National Park Head Office. The program includes the day and night races “PAGODA 50 DAY” and “PAGODA 50 NIGHT”, “INTHANON 20” and a warm-up race.
The second part takes place at Chiang Mai PAO Park. The races listed here are “CHIANG DAO 160”, “ELEPHANT 100”, “HMONG 50 DAY” and “HMONG 50 NIGHT”, “SUTHEP 20 DAY” and “SUTHEP 20 NIGHT”, “CHEDI 20” and a warm-up race.
When and where
The first part of the race will take place from November 27 to 29, 2026 at the Doi Inthanon National Park Head Office. The second part will take place from December 3 to 6, 2026 at Chiang Mai PAO Park. Dates and venues are listed in the official race specification.
The day and night “Pagoda 50” races on the 57 km distance are scheduled for November 28, with starts at 07:00 and 18:00 respectively. Start times for the other races in the listed program are not specified.
For the Chiang Mai PAO Park venue, coordinates are given: 18.834933676153, 98.964310191113. The organizer also provides links to maps of the venues.
Participation terms and cost
Early registration prices are 4,300 baht for the day or night “Pagoda 50” race, 2,600 baht for “Inthanon 20” and 300 baht for the warm-up race. The organizer notes that these are early registration prices and that they may have changed.
Participants born in 2005 or earlier are eligible for the 100M, 100K and 50K distances, and those born in 2007 or earlier for the 20K distance. Registration closed on October 31, 2026, at 10:00 GMT+7, or earlier if places filled up. The possibility of an extension is not confirmed; check with the organizer.
If you are planning a trip to the region, see the surroundings of Chiang Mai and a guide to Chiang Mai.
Frequently Asked Questions ❓
When does the Doi Inthanon race in Chiang Mai take place?
The first part takes place from November 27 to 29, 2026, and the second from December 3 to 6, 2026. The day and night “Pagoda 50” starts are scheduled for November 28 at 07:00 and 18:00.
How much does it cost to take part?
The published early registration prices are 4,300 baht for “Pagoda 50”, 2,600 baht for “Inthanon 20” and 300 baht for the warm-up race. Prices may have changed, and registration closed on October 31, 2026.
What are the eligibility conditions for the distances?
Participants born in 2005 or earlier are eligible for the 100M, 100K and 50K distances. For the 20K distance, those born in 2007 or earlier are eligible.
Conclusion
The Doi Inthanon race in Chiang Mai combines two parts held at venues near Doi Inthanon National Park and at Chiang Mai PAO Park. If you are planning a trip, check current prices and registration options with the organizer in advance.