• Reminder: Four Mile Canyon, Gold Run closed to cyclists

    Submitted by 303cycling on April 4th, 2018

    Boulder County is reminding cyclists that Four Mile Canyon and Gold Run are closed due to construction. Read more

    • Sunshine Hill Climb, Boulder

      Submitted by 303cycling on June 21st, 2011

      Make this a quickie out of Boulder or turn it into an all out epic ride. Sunshine Canyon starts where Mapleton street in Boulder ends and pretty quickly things turn upwards fast. You can cheat out early and make a left turn on Poorman which will return you back into Boulder. The first 5 milesRead More

      • Riding the Switzerland Trail in Boulder

        Submitted by Kris Thompson on June 22nd, 2008

        Some say the Hall, Heil and Walker are all over ridden while one of Boulder County’s gems sits nearly empty, the Switzerland Tail. For those not familiar, the Switzerland Trail it is an old narrow gauge rail bed which has long since lost its ties and rails, winds its way from Ward (almost) to Sugarloaf mtn. Read more