Denali 100K
Cantwell, United States • 21-23 Jun 2026
Event overview
The Denali 100K is an endurance road race on the Denali Highway in Alaska, scheduled for June 21, 2026. The point-to-point course runs from the Alpine Creek Lodge area to a finish near Cantwell, adjacent to the entrance to Denali National Park. The race is limited to 50 runners and their support crews and pacers. Spirit Trips will donate a portion of each race registration fee to the Denali Education Center.
Course and logistics
The course begins near mile 68 at Alpine Creek Lodge, passes the Susitna River Bridge at about mile 79.5, and then continues along the Denali Highway through a long section without services or lodging for roughly 50 miles before the finish outside Cantwell. The event format requires each runner to have a mandatory support vehicle and crew; one pacer at a time may accompany a runner, and no single pacer may run more than 30 miles with that runner. A mandatory pre-race briefing is scheduled on race day, and a post-race dinner is planned the day after the race.
Entry, qualification and rules
Registration opens September 19, 2025 and closes May 1, 2026 or when the field reaches 50 runners. Applicants must have completed at least one 50K and two marathons in the previous two years, or provide evidence of equivalent training to the race director. There are no registration refunds; deferments to the following year may be granted at the race director’s discretion. Accepted runners receive a race information package and crew and pacer rules.
Time limits, equipment and awards
Runners must complete the course within a maximum of 18 hours. Required runner equipment includes a GPS tracker or satellite communicator, a buff, sufficient water or hydration system, at least 500 calories of on-course nutrition, a high-visibility reflective vest and flashing blinker for low-light periods, and a visible bib. Pacers have a similar equipment list. Finishers who complete the course within the allotted time receive a Denali100K belt buckle and finishers shirt; overall men’s and women’s winners receive additional awards. Visit the organization's website for the most recent information.