United States·2026

Fairbanks-College, AK

Fairbanks sits at 64°N where winter darkness and spring thaw define the running and cycling calendar. The Equinox Marathon and Chena River Run 5K anchor a spring racing season that explodes during the brief window of midnight sun and near-freezing nights; serious runners also tackle the Breakup Duathlon in April when trails transition from snow to mud. Cycling here is tundra-exposed and demanding—expect flat to rolling terrain around the city, but the real draw is winter fat biking on frozen rivers and summer gravel riding into the surrounding boreal forest.