About This Race
Twenty-two laps around Hammarbybacken create this marathon-plus distance, allowing runners to break the challenge into manageable segments. The repetitive nature means consistent elevation changes throughout, with spectators able to track progress and provide support at multiple points during each lap.
Twenty-two laps around Hammarbybacken create this marathon-plus distance, allowing runners to break the challenge into manageable segments. The repetitive nature means consistent elevation changes throughout, with spectators able to track progress and provide support at multiple points during each lap.
Practical Info
December conditions in Stockholm typically feature cold temperatures, possible snow, and limited daylight hours.
ARN - Stockholm Arlanda Airport
Stockholm city center offers numerous accommodation options within easy reach of Hammarbybacken.
Best For
Notable Features
This race stands out for its creative use of urban terrain, requiring 22 laps around Hammarbybacken to complete a marathon-plus distance. The December timing on the first Sunday of Advent creates a festive atmosphere that organizers describe as Sweden's most enjoyable Advent celebration, combining endurance running with holiday tradition in Stockholm's most accessible alpine setting.
Prepare for This Race
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GEAR GUIDE
The Best Hydration Vests for Ultrarunning in 2026
A tested guide to the best hydration vests for ultra marathons and long trail races — from lightweight racing vests to high-capacity mountain packs.
RACE GUIDE
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A thoughtful guide to choosing your first ultra marathon — what to look for in a course, how to evaluate difficulty, and five races worth considering.
FROM THE TRAIL
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Elevation profiles reveal the true character of a trail race. Learn to read the shape of a course and understand what it means for your race day experience.