50K December ultramarathons in Thailand

Rugged Khao Mai Kaew trails with floating rocks, stream crossings, sandy paths, forest sections, steep climbs, and a finish ramp

Rugged mountain paths, lush forests, and river crossings with opportunities to engage with indigenous communities and camp under the stars

Rugged 100K trail route through Pak Chong and Khao Yai, with rural roads, forest paths, rolling hills, waterfalls, and sweeping viewpoints.