Trail Running calendar near Cooper Landing 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 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.

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.

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.

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.

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 memorial 5K on the Iditarod National Historic Trail in Seward with four age and gender categories. The race allows leashed dogs, uses staggered starts, and includes a post-race celebration at the Branson Pavilion.

A community fundraiser at Westchester Lagoon on September 26, 2026, featuring 2K and 5K runs along the coastal trail to support Anchorage School District language immersion programs.

A trail running event in Girdwood, Alaska on October 3, 2026 offering marathon, half marathon, juniors half, and a 5K across local trails. Five aid stations, a marathon cutoff at Crow Creek Road, and proceeds support the Girdwood Nordic Ski..

Winter trail races near Big Lake Alaska offering 100 mile and 50 km options in February on marked routes through remote frozen terrain with published maps, rules, and gear information.

A human-powered winter trail race in Big Lake, Alaska, the Little Su 50K is held in February and includes course maps, gear guidance, race rules, and published results for participants.