Aspen Backcountry Marathon (Awaiting 2027 Race Date)
⚠️ Estimated date — the 2027 date has not yet been announced by the organizer. We've kept this event visible on the calendar around its usual weekend so you can plan ahead. Please check the official race website (linked below) before booking travel. Course Highlights The Aspen Backcountry Marathon is one of Colorado’s most stunning trail races, utilizing the world-class trail network that surrounds the legendary resort town of Aspen. All three distances — the 50K, marathon, and heavy half-marathon — run