Trail Running Calendar Alaska 2026-2027

We have found 36 Trailruns in Alaska. Check below where and when you can find the races.

Kick off the running season on the trails of Russian Jack Park. This Anchorage Running Club event offers a free race for members or a small fee for non-members. Expect a classic spring run where lingering snow patches might be part of the a..

May 2026

Annual trail races of 8 and 4 miles on the Turnagain Arm Trail in South Anchorage. The point to point course alternates direction yearly between Potter and Rainbow trailheads; there is no shuttle and a $5 vehicle parking fee applies.

June 2026

The Tsalteshi Backyard Ultra will take place in Soldotna on Friday 5 June 2026. You can run 7 kilometers.

The Alaska Endurance Trail Run offers 6, 12, and 24-hour timed challenges on a scenic 6-mile forest loop at UAF. Choose your start time for the 6 or 12-hour races. The event finishes with a BBQ and awards.

A five mile out and back trail run reached by the Alaska Railroad from the Spencer Whistle Stop, following the Spencer Glacier Trail to Spencer Lake and an overlook. The event supports trail maintenance and operates under a Chugach National..

Three days of timed mountain stages in Kodiak, AK that add each participant's times across all stages. Overall winners are named in Men's, Women's, and Teams categories and each stage awards a King of the Mountain.

A 50K endurance race along the scenic Denali Highway on June 21, 2026, limited to 50 runners. The course runs from Maclaren Summit to Alpine Creek Lodge with one aid station and a nine hour cutoff; crews and pacers are permitted.

Denali 100K is a point to point ultramarathon on the Denali Highway in Alaska on June 21 2026. The field is limited to 50 runners who must use mandatory support crews and finish within an 18 hour time limit.

A supported point-to-point ultramarathon along about 131 miles of the Denali Highway from Paxson to Cantwell, with roughly 8,800 feet of climbing, mandatory support crews, a 48-hour cutoff, and specific multi-race qualifying requirements.

Experience a focused uphill challenge at the Bird Ridge Hill Climb in Indian Alaska. Choose between the three mile Full Climb or the shorter Jack's Run for a vertical racing experience organized by the Alaska Mountain Runners.

A roughly 15 mile mountain trail run from Cope Park over Mt. Juneau and the Juneau Ridge with about 5000 feet of gain. Checkpoints are limited and runners must carry mandatory safety gear and meet a 2 hour 30 minute summit limit.

July 2026

Experience the diverse terrain of Wrangell Island in this grassroots Alaskan ultra marathon. Run 40 miles of boardwalks and forest trails as a solo participant or part of a relay team.

Mount Marathon is a historic Alaskan mountain race in Seward. The event involves a demanding 1.5 mile climb and descent. Registration is managed through a priority and lottery system across several divisions.

A backyard ultra at Government Peak Recreation Area near Hatcher Pass where runners repeat a 4.167 mile loop each hour until one person remains. The course uses single track and ski trails and the field is limited to 75 runners.

A trail half marathon at Ward Lake in Ketchikan on July 11 2026 featuring about 14 miles on local trails and four aide stations. Entry follows a sliding scale and relay teams of up to four runners are allowed.

Experience the scenery of Valdez with a 4.7 mile trail race along the banks of Mineral Creek. This event features ocean views from the Homestead trail and starts at the Ike Woodman Recreation Center.

Experience an iconic Alaskan backcountry marathon from Girdwood to Eagle River. This self supported race features glacier views, technical trails, and a major river crossing through remote mountain wilderness.

Mud Factor Anchorage is a 5K mud and obstacle run at Kincaid Park on July 19, 2026. Participants must bring a signed waiver and adults need photo ID; spectators pay a $10 cash fee for festival area access.

A low key, mostly self supported trail ultramarathon on the historic Resurrection Pass Trail in Alaska offering 50 mile and 100 mile distances over late July dates.

A mountain trail race at Alyeska Resort on July 25, 2026 covering 6.1 miles with 3,912 feet of climb. The route climbs from the DayLodge to alpine ridges and returns through forested single track with marked safety procedures.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.