Susitna 100
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About the race
Susitna 100 is a winter endurance event held in Big Lake, AK on February 13, 2027. The event offers three separate 100 mile disciplines on marked trails across a winter landscape.
The course runs across frozen rivers and swamps and along tight, twisty trails through woods. The route passes varied terrain and viewpoints where wildlife and winter activity are commonly visible, including moose, fox, dogsled teams and mountain scenery. Several checkpoints are placed along the course and are staffed by volunteers.
Available disciplines:
- 100 mile Bike
- 100 mile Ski
- 100 mile Run
Registration information is published for the event; registration closes on Sunday, February 7 at 6:00 AM Alaska time. An offer listing for the event shows a price of USD 317.67 and indicates multiple available offers and a registration start date in mid-September 2026. Visit the organization's website for the most recent information.
