Trail Running calendar near Seward 2026-2027

Trail races on Turnagain Arm Trail on May 7, 2026, with 8 mile and 4 mile courses between Potter and McHugh trailheads. Field capped at 200 and registration proceeds support the UAA Ski Team.

Tsalteshi Backyard Ultra in Soldotna, Alaska is a Last Runner Standing event set for June 5, 2026. Registration closes on June 4 at 11:59 PM Alaska time.

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..

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.

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. 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 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.

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 community 2K and 5K at Westchester Lagoon on September 26, 2026 celebrating Anchorage School District language immersion programs. Proceeds support classroom materials, after-school K-6 learning, cultural events and student exchanges.

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..