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Blue Sky Trail Half Marathon

Index card: facts and a plan, no score. RaceWorth scores only the fly-for-this catalog.

Blue Sky Trailhead, Horsetooth Mountain Park, Fort Collins, Colorado, United States

Index card · facts and a plan

The card

Blue Sky Trail Half starts 7:00am on October 18, 2026 at the Blue Sky Trailhead west of Fort Collins, covering 13.4 miles with about 1,800 feet of gain between 5,300 and 6,500 feet. Gnar Runners lists Indian Summer North aid at miles 5.4 and 8.1 and a 1:00pm finish (6-hour allowance) with a 400-runner half cap. Pacers are not allowed; mid-race crew access is not provisioned for the half. GPX linked from the event page. 2026 fees run $90 to $110 by registration date before RunSignup fees.