Susitna 100
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Susitna 100
Susitna 100 is a winter endurance event held February 13, 2027 in Big Lake, Alaska. The event offers 100 mile courses on marked trails through winter terrain.
Distances
- 100 Mile Bike
- 100 Mile Ski
- 100 Mile Run
The main course covers 100 miles across frozen rivers, swamps, and tight twisty trails through the woods. Trail conditions vary and the route provides views of the surrounding mountains. Checkpoints are placed along the course and staffed by volunteers.
Wildlife and other trail users may be encountered on the route, including moose, fox, and dogsled teams. Registration opens September 15, 2026 at 6:00 AM AK. Visit the organization's website for the most recent information.
