Trail ultramarathons in Alaska, United States

4.167-mile loop on single track and ski trails with moderate elevation in Alaska's Government Peak Recreation Area, Hatcher Pass

Historic National Recreation Trail between Hope and Cooper Landing with rugged terrain and scenic vistas along old gold mining routes

Remote Alaskan ultramarathon with hard-packed trails, technical ridgelines, significant elevation change, wilderness views, and Chena Hot Springs finish

Mountain route through the Matanuska-Susitna valley, featuring rugged Alaskan scenery and summer landscapes along Hatcher Pass

Extensive trail network across Basin Road, Perseverance, Red Mill, and Mt. Roberts, with over 5,000 feet of climbing on rugged, scenic routes.

Historic Gold Rush route from Skagway to Whitehorse, rugged terrain and stunning landscapes, challenging relay crossing Alaska, British Columbia, and Yukon

Demanding hybrid format with required lifts, assigned 50K or 100K runs, and a final challenge under accumulated fatigue

Rugged yet runnable trail loops with steady elevation changes, varied footing, and a central hub format in Alaska’s Mat-Su Valley.

50-mile point-to-point from Hatcher Pass to Palmer via Wasilla, with valley terrain, river views, farmland, forest, and autumn color

Trail courses through Matanuska Lakes State Recreation Area with multiple distance options

One-mile loops on gravel and Meadow Loop trails at Skeetawk Ski Area, 200 feet of elevation gain per lap, scenic Hatcher Pass views, flexible time limits.

100-mile marked winter loop through frozen rivers, swamps, and wooded trails with mountain views, possible aurora sightings, and wildlife encounters

50K marked winter loop on frozen rivers, swamps, and wooded trails in Alaska with mountain views and possible sightings of wildlife and dogsled teams

Maintained snowmachine trails near Fairbanks: 55 miles of major climbs, fast descents and blind turns above the valley floor.

Winter routes over Caribou Hills above Kachemak Bay with 50 km and 100 km options for skiing, biking, or running near Homer, Alaska.

Scenic loop course along the Tanana River and through Rosie Creek forest, featuring a frozen landscape and a 45-mile endurance option

Trail loops featuring flat, steep, and rolling terrain with wide paths, narrow singletrack, mud, ice, natural views, and unpredictable conditions

Remote Alaska winter ultra amid jagged limestone peaks, with steep climbs, glare ice, drifting snow, and constantly changing trail conditions.

Multi-hour loop course on scenic trails near University of Alaska Fairbanks, forested terrain, unified finish atmosphere, festive post-race BBQ

Looped 4.167-mile course under the midnight sun, last-runner-standing format, Bronze Ticket qualifier for regional progression