${message}
Official ITRA Partner
Official
ITRA Partner
EN
FR
ES
Sign In
Sign In
Remember me
Sign in
Password forgotten ?
Create an Account
Home
Races
Race calendar
Race results
Race Map
Runners
Ranking
Runner Search
ITRA Performance Index
Insurance
Community Hub
Organizers
About ITRA
Discover Trail-Running
History
Values
Missions
Organization
National representatives
Safety
Eco-Responsibility
National Associations
News & Media
Articles
Press Release
National League
About
National League Ranking
FAQ
Runners
ITRA Performance Index
ITRA score
Organizers
Event Information
Chiang Dao, Thailand
24 December 2025
to
28 December 2025
CORE X250 Ultra Trail 2025
See another edition
2025
CX15K
CX30K
CX50K
CX70K
CX100K
CX100M
CORE X 250
CX15K
Itra Points
Mountain Level
2
Finisher level
150
National League
RACE DETAILS
RACE COURSE
RACE RESULTS
Race Course
Start Location: Chiang Dao, Thailand
Finish Location: Chiang Dao, Thailand
Type of Terrain: 0% Paths / 80% Tracks / 20% Roads
See in detail on trace de trail
