Bicycling Boulder County, Colorado

For bike paths and trails, go to Sports/Bicycling

View GoBoulder's Bicycle & Pedestrian map (low-resolution)

Download GoBoulder's Bicycle & Pedestrian map (8.5 mb PDF. Please be patient. This will take a while to download!)

BUFFALO BICYCLE CLASSIC, September 9

Cycle a 100-, 72-, 50-, 35- or 14-mile course during this fully supported ride to raise scholarship and research funds for students in the College of Arts and Sciences at the University of Colorado at Boulder. The race starts at 7am on Sept. 9 at CU. 303-735-1569; www.buffalobicycleclassic.com.

COMPETITIVE CRITERIUMS & ROAD RACES

While long cycling tours are challenging, there are dozens of road bike races and criteriums (races around a short loop) along the Front Range every summer, and anyone can show up and race in the lowest categories (day license required). For a complete schedule, visit www.americancycling.org.

• July 15: Longmont Criterium Classic, www.twinpeaksracing.com
• Aug. 11: Niwot Criterium Bike Race, 303-775-5618

GREAT-WEST MS 150 BIKE TOUR, annually in summer

Whether you’re a hard-core road biker or just a weekend warrior, you can challenge your limits and help fight multiple sclerosis at this annual ride. The new 150-mile course starts and finishes at the Broomfield Event Center, 11450 Broomfield Lane, with an overnight in Fort Collins. Join other dedicated riders July 7-8 for some solid cycling and catered rest stops along the way, plus local musicians and a festival. 303-824-3371, 303-813-6677; www.fightmscolorado.org.

RIDE THE ROCKIES, June 17-23

This annual bicycle tour takes 2,000 cyclists over challenging passes in a 422-mile circle from Frisco miles through Steamboat Springs, Glenwood Springs and Leadville. The tour runs June 17-23. 303-820-1338; www.ridetherockies.com.

SUNRISE CENTURY, July 28

This local ride dives deep into the mountains and canyons of Boulder County before finishing with the entire Creek Path through downtown. In addition to the 100-mile ride (the century), there are 45- and 80-mile options. The Sunrise Century kicks off between 6:30 and 8am July 28 at the Stazio Ballfields, 2445 Stazio Dr., off 55th Street and Arapahoe Road. 303-875-9000; www.bikerpellisports.com.

TOUR DE CURE, Aug. 25

Three-time Tour de France champion Greg LeMond rides alongside Boulder cyclists at this American Diabetes Association event Aug. 25. Courses range from the 100-mile tour to a 20k; they start at the Boulder County Fairgrounds, in Longmont. 1-888-342-2383; www.tour.diabetes.org.

WALK AND BIKE WEEK, June 24-30

Celebrate car-less transportation with a plethora of diverse and fun activities during Boulder Walk and Bike Week, June 24-30. Walk and Bike to Work Day is June 28, and if you participate, you can stop for a complimentary breakfast at one of more than 30 Boulder County stations. Free bike checks also available. Check the website for event schedules, breakfast stations and bicycle/pedestrian maps. 303-441-1879; www.goboulder.net.