About the event
Join the Arctic Circle Race 100 Mile on April 4, 2025, for a remarkable test of endurance and survival in the unforgiving Arctic landscape. Organized by the Arctic Circle Race Committee, this race in Sisimiut, Greenland, pushes participants to their limits as they navigate a 160km course through snow-covered mountains and frozen valleys. The event is globally recognized for its difficulty, requiring skiers to endure cold winds, steep climbs, and the isolation of Greenland’s vast wilderness.
Date:
Fri
Apr 4
2025
Location:
Distance:
Elevation profile:
Flat
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Arctic Circle Race 100 Mile, set for April 4, 2025, is one of the most challenging endurance events in the world, taking place in Sisimiut, Greenland. Organized by the Arctic Circle Race Committee, this event, known as the "World's Toughest Race," has participants skiing 160 kilometers through harsh Arctic wilderness over three grueling days.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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