Blue Sky Marathon
Race Day Weather
Cool start, warming finish
Runners will face a temperature progression from 41°F at the start to a peak of 67°F towards the end. Winds will be mild, peaking at 8 mph with gusts up to 20 mph, primarily headwind between miles 5-12, which can challenge pacing. With humidity at 39%, conditions are favorable, but hydration should be prioritized, especially during the climbs from miles 2-4 and 21.
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Race Info
The Blue Sky Marathon in Fort Collins, Colorado, offers runners a challenging 26.2-mile course through the picturesque Front Range mountains. Starting at the Blue Sky Trailhead in Horsetooth Mountain Park, the route features approximately 3,500 feet of elevation gain and loss, traversing a variety of terrains including smooth dirt trails, technical rock gardens, and distinctive redstone hardpack. With generous time allowances and a supportive community, this race caters to both seasoned trail runners and those new to the sport.