Trail Running Calendar Alaska 2026-2027

Tsalteshi Backyard Ultra is a Last Runner Standing running event in Soldotna, Alaska on June 5, 2026, listed at 538 Arena Ave. The event listing notes a website and a Facebook event and shows registration closing on June 4.

A timed trail event in Fairbanks on June 5-6, 2026 offering 6 hour, 12 hour and 24 hour formats on a roughly 6 mile loop at the University of Alaska Fairbanks West Ridge with mixed trail surfaces.

A 5 mile out and back on the Spencer Glacier Trail reachable only by Alaska Railroad from Portage, AK. The course runs to Spencer Lake and the Glacier Overlook and returns to Chugach Adventures base camp; field conditions include bear count..

Run De Tour is a two part trail run at Kincaid Park and the Hillside Trails that uses sections of the Double Bubble and Spencer Trails. Multiple distances are offered and registration is non refundable with bib pickup on race day.

A three day stage race in Kodiak, Alaska, featuring one mountain run per day on Heitman, Sharatin, and Pyramid. The series covers about 20 miles with 8,000 feet of total ascent and is sanctioned by USATF.

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.

A 100 km point to point race along the scenic Denali Highway on June 21 2026, limited to 50 runners. Mandatory support crews, an 18 hour time limit, and qualifying race requirements apply.

A supported point to point ultramarathon on the Denali Highway from Paxson to Cantwell, about 131 miles with roughly 8,800 feet of gain. Field capped at 50 runners, mandatory crew support, and a 48 hour finish limit.

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 race in Juneau with about 5000 feet of climb, a summit on Mt. Juneau and a three mile ridge traverse. Limited checkpoint supplies, mandatory safety gear and age restrictions apply.

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.

The 98th Mount Marathon in Seward, Alaska on July 4, 2026 features uphill-and-back races with multiple distances and entry categories, including junior, open, non-binary, and golden over-70 events.

Backyard ultra at Government Peak Recreation Area near Hatcher Pass in Palmer AK. Runners repeat 4.167 mile loops on single track and ski trails until one finishes; the field is limited to 75 entrants and basic aid is provided at the start..

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.

An inaugural 5K on July 11, 2026 at Skeetawk Ski Area in the Hatcher Pass area, co-hosted by regional organizations; registration fees support local youth running teams and registrants receive a 20% Hatcher Romp ticket discount.

A backcountry footrace of about 23 miles from above Girdwood to the Eagle River Nature Center on July 18, 2026. The unmarked, technical route includes snowfields, a cold river crossing, and possible wildlife encounters.

Mud Factor Anchorage is a 5K mud and obstacle run at Kincaid Park on July 19 2026. A signed liability waiver and photo ID for adults are required and spectators pay a 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 6.1 mile mountain trail race at Alyeska Resort on July 25, 2026, featuring 3,912 feet of vertical gain and a field capped at 600. The route climbs from the DayLodge to alpine ridgelines and returns via Max's Mountain trail.