Trail Running calendar near Mackay 2026-2027

Trail endurance races in Challis, Idaho on June 20, 2026 offer three distances with courses that pass the Salmon River, Blue Mountain and nearby lakes. Registration closes June 1.

Trail ultraruns in the Pioneer Mountains of Central Idaho offering 100 mile, 60K and 30K distances over rugged terrain. The two day event is noted for scenic views, steep climbs and long descents.

A remote 100 mile trail race in Idaho's Pioneer Mountains on 25 to 26 July 2026 with over 23,000 feet of climbing, 12 staffed aid stations, spot tracking, and required backcountry gear.

Experience the autumn colors of Idaho with a Half Marathon or 55 km Ultra Marathon through the rugged trails and high alpine peaks of Sun Valley.