Trail Running Calendar Alaska 2025-2026

Run, bike or ski a scenic 50K loop around Big Lake, Alaska, across frozen rivers, swamps and twisty woodland trails. Expect moose and fox sightings plus sweeping mountain views for a true Alaskan winter experience.

Join the 9th annual Krrbrrr Knik River Break Up Ramble Run in Palmer for a laid back eight hour trail romp where you can run from one to eight hours. Expect muddy, slushy trails, scenic views and a fun unpolished community vibe.

Kodiak Mountain Series is a three day stage race in Kodiak, AK, June 18 to 20, 2026, covering about 20 miles and 8,000 feet of climbing across three courses. Race for overall and KOM honors on rugged single track with USATF cash prizes.

The new Denali50K on June 21, 2026 invites just 50 runners to a rugged, scenic descent from Maclaren Summit to Alpine Creek Lodge with crew support and a 9 hour cutoff. Expect tundra, rivers and remote Alaskan beauty on a fast yet demanding..

Run the Denali 100K on June 21, 2026, a scenic point to point road race along the Denali Highway finishing near Denali National Park. Field is limited to 50 runners and each entry helps the Denali Education Center.

Denali135 is a rugged 135 mile point to point road ultramarathon along the Denali Highway in Alaska, limited to 50 runners. Expect remote gravel roads, big climbs, mandatory support crews, a 48 hour cutoff and a moose antler buckle for fini..

Take on the Crow Pass Crossing, a rugged 23 mile mountain route between Girdwood and the Eagle River Nature Center with glacier views and a frigid river crossing. This iconic Alaska challenge attracts adventurous runners and supports Health..

Resurrection Pass Ultras are low key, mostly self supported 50 and 100 mile trail races across Alaska's historic Resurrection Pass Trail between Hope and Cooper Landing. The 2026 edition runs July 24 25.

Tackle Alyeska's Cirque Series in Girdwood for a steep, technical 6.1 mile mountain challenge with nearly 4,000 feet of vertical gain. Expect epic alpine ridge views, rocky climbs and a thrilling forested descent to the DayLodge finish.

Anchorage United Nations Run : 2025 event status The 2025 Anchorage United Nations Run was cancelled due to an error in the permitting office that delayed approval. The organizers plan to hold the event next year on September 26, 2026. Purp..

Run the Watershed 5K in Fairbanks on Sept 26, 2026 for a scenic neighborhood and trail route from The Watershed School. Proceeds benefit the school PTSA and a sourdough pancake and sausage fundraiser follows the race.