Trail Running Calendar Alaska 2025-2026

The Little Su 50K is an exciting winter racing event held in Big Lake, Alaska, featuring a challenging 50K loop course. Participants can choose to run, bike, or ski, navigating marked trails that traverse frozen rivers, swamps, and winding forest paths. The event offers stunning views and the chance..

The KRRBRRR, or Knik River Break-Up Ramble Run, is an annual trail running event held in Palmer, Alaska. Participants can choose to run for an hour or the entire 8-hour duration, completing approximately 5-mile loops with an optional 2.5-mile loop. The course features a mix of terrains, including fl..

The Alaska Endurance Trail Run, taking place in June 2025, is a timed race offering participants the choice of three durations: 6 hours, 12 hours, or 24 hours. Set on the scenic trails of the University of Alaska Fairbanks, the course features a 6-mile loop that showcases a variety of terrains, incl..

The Kodiak Mountain Series is a thrilling three-day stage race held in Kodiak, Alaska, featuring challenging courses that showcase the region's stunning landscapes. Participants tackle three distinct stages, with total times from each stage combined to determine the winners in Men's, Women's, and Te..

The Denali 100K is an endurance race set against the stunning backdrop of Denali National Park in Alaska. Scheduled for June 21, 2025, this challenging event invites qualified athletes from around the world to traverse a scenic 100K course along the historic Denali Highway. Participants will experie..

The Denali 50K is an endurance running event set against the stunning backdrop of Denali National Park in Alaska, scheduled for June 21, 2025. This challenging race invites qualified athletes from around the world to traverse a scenic section of the historic Denali Highway, renowned for its breathta..

The Denali Ultras is an endurance running event taking place from June 21 to June 23, 2025, in Paxson, Alaska. Participants can choose from three race distances: 135 miles, 100 kilometers, and 50 kilometers, with options for charity bibs that support the Denali Education Center or a charity of their..

AKtive's Backyard Ultra is an exciting endurance running event held at the Government Peak Recreation Area in Palmer, Alaska. Participants tackle a 4.167-mile loop featuring single track and ski trails with moderate elevation changes. The race follows standard Backyard Ultra rules, where runners mus..

The Resurrection Pass Ultras is an Alaskan ultramarathon featuring two self-supported trail races: a 100-mile and a 50-mile event. Both races traverse the historic Resurrection Pass Trail, which was originally used by gold miners. The trail is now recognized as a National Recreation Trail and is mai..

The Cirque Series - Alyeska, AK, is a challenging mountain running event set for July 26, 2025. Participants will tackle a 6.2-mile course with a vertical gain of 3,890 feet, starting from sea level at the Day Lodge. The route features steep climbs, technical descents, and stunning views of the Chug..

The Hatcher Pass Races, held in the scenic Matanuska-Susitna valley, feature challenging courses for runners of all levels, including a 50-mile race, a marathon, and a relay event. The marathon course includes significant elevation gain, with the first 25 miles primarily uphill, culminating in a dow..

The Veins of Gold 2025 is a challenging mountain race taking place in Palmer, Alaska. Participants will navigate an approximately 8-mile course with a vertical gain of around 5,000 feet, starting at the Government Peak Recreation Area and ending at Independence Mine. The race features diverse terrai..

The Lakes TrailFest is an exciting trail running event taking place at the Matanuska Lakes State Recreation Area in Palmer, Alaska. Scheduled for September 28, 2025, the festival features a variety of races, including a Kids Run, 5K, 10K, 25K, and 50K, catering to participants of all ages and skill ..

Death By a Mile is an exciting running event taking place at the Skeetawk Ski Area in Palmer, Alaska. Participants can choose to run for 12, 6, or 4 hours, completing as many one-mile loops as possible on the scenic Meadow Loop trail. The event encourages social running and camaraderie, with no time..