Fall ultramarathons in Alaska, United States

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.