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    Boulder Trail Running Festival

    • Recurring on the 2nd Saturday of September
    • Times: 3:00PM to 10:00PM
    • Admission: Free to the Expo and kids events. Festival packages range from $25 to $60
    • 250 Mohawk Drive
      Boulder, CO 80303
    Overview 
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    Overview

    The Trails in Motion Big Day Out is Boulder's first ever trail running festival. Come join like-minded trail runners, for an afternoon of trail running gear demos, pop-up expo, speaker series, kids activities, food vendors, craft beer garden and ending the night with the world's finest and inspiring trail running films at the Trails In Motion Film Festival.

    The Festival will kick off at 3pm timed perfectly so you can still enjoy your morning run, volunteer in trail building or a trail race and come enjoy a relaxing evening with us.

    Whether you are new to trail running or an avid trail user, there will be something for everyone to enjoy.

    The day at the park is free, including fun kid activities and the pop-up expo.

    Boulder Trail Running Festival
    • 250 Mohawk Drive
    • Boulder, CO 80303
    • Free to the Expo and kids events. Festival packages range from $25 to $60
    • Recurring on the 2nd Saturday of September