October ultramarathons in New Mexico, United States

Rugged, runnable course from high desert hills to 9,000 ft pine peaks along the Continental Divide Trail in Gila National Forest

Dog Canyon Trail route through Lincoln National Forest, dense pines and aspens, views of Tularosa Basin and White Sands, finish in Cloudcroft, NM

Multi-day ultramarathon with 50-kilometer options across varied terrain and scenic routes emphasizing endurance and regional landscapes

Steep 500-foot climb on a 0.5-mile out-and-back course, repeated over 10 hours; challenging ascent with volunteer check-ins each lap