Chiang Mai has always been known as Thailand’s cultural jewel — a city wrapped in tradition, temples, and mountain silhouettes. But once a year, it transforms into the beating heart of Southeast Asian trail running. Chiang Mai Thailand by UTMB 2025, held at the atmospheric Chiang Mai PAO Park, once again delivered an unforgettable blend of nature, culture, community, and pure mountain challenge. This year, I took on the Suthep 20 category...