Telluride Foundation Rundola

Race the Sky Pilots Ouray Backyard Ultra in Fellin Park on May 16, 2026. Complete a 4.167 mile loop each hour until one runner outlasts the rest, with scenic river walk views and supportive aid station service.

San Juan Solstice 50 Mile Run is an ultramarathon scheduled for June 20, 2026. The event features a 50-mile course, with a dedicated course info page and an alternate course option, underscoring a challenging yet community-focused atmospher..

The John Cappis is a challenging endurance peakbagging event held near Silverton, Colorado, featuring a roughly 50k course with about 19,000 feet of elevation gain. Participants summit multiple peaks in the rugged San Juan Mountains, naviga..

The Hardrock 100 is a legendary 100 mile mountain ultramarathon out of Silverton, Colorado, weaving high alpine terrain through the San Juan Mountains. Expect rugged backcountry scenery, massive climbs, and entry by lottery.

The Ouray 100 Mile is a rugged mountain ultramarathon from Fellin Park in Ouray, Colorado, with over 40,000 feet of climbing and a final roughly 5,000 foot push to Bridge of Heaven. Finishers earn a belt buckle and finish within 52 hours.

Experience the Silverton Alpine Runs in Colorado, offering 50K, marathon, and 8 mile courses that wind through high mountain jeep roads and historic ghost towns. Expect sweeping alpine views, big climbs, and true high altitude adventure.