Hard ultramarathons

116K ultra-trail across East Java’s Arjuno-Welirang range, with huge elevation gain, technical trails, volcanic terrain, and high-altitude exposure above 3,000m

Street-to-summit route from Sentul City trails into Mount Gede-Pangrango, with rolling sections, steep technical climbs, rainforest and alpine valleys.

Scenic Kennesaw Mountain course passing historic sites, wooded trails, gravel, and asphalt, featuring sunrise and sunset views along an 8-mile out-and-back loop

Challenging ascents across the Pyrenees from Alp, with routes through the Cerdanya Valley, Aude Valley, and iconic passes like Col de la Llose

Five-stage, 228 km ultramarathon across Andalusia’s Poniente Granadino region, featuring scenic mountain trails, rugged terrain, and varied elevation

High-altitude trails above 10,000 feet through alpine meadows, ghost towns, and mining relics, with sweeping views of the South Park Valley and Decalibron peaks

Scenic 1.9-mile loop at Notchview with a 0.2-mile climb, rolling single and double track, open fields, and cross-country ski trails

Road course from Phu Phaya Po summit at 1,350 meters to the Tha Pla lowlands, featuring highland landscapes and significant cultural sites

Alpine routes with high-peak views and challenging courses designed for experienced trail runners

102.5-mile loop in Colorado's San Juan Mountains, 33,000 feet of climbing, 13 mountain passes, technical terrain, summit of Handies Peak at 14,048 feet

175-mile relay from Twin Bridges to Virginia City, 10,000 feet of elevation gain, mountain terrain, big sky vistas, and pristine forests

Rugged mountain terrain, steep climbs, and Olympic ski-resort scenery in Chongli’s alpine landscapes