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| A one-day, 100-mile, 100 Km or 42-mile bicycle ride that takes place in Eagle County, Colorado. |
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| An annual 7-day, fully-supported bicycle tour in the wide-open valleys and the majestic peaks of Colorado's Rocky Mountains. |
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| Bike MS is a two-day bicycling fundraiser for the National Multiple Sclerosis Society. The 150-mile, two-day ride begins and ends in Westminster, Colorado and overnights in Fort Collins. |
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| An annual event taking place in the Wet Mountain Valley, framed by the 14,000 foot Peaks of the Sangre de Cristo Mountain Range of Southern Colorado. |
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| Scenic Century and Metric Century bike ride through beautiful Summit County, Colorado benefiting the Lance Armstrong Foundation. |
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| Dive deep into the mountains and carve the canyons, with all the challenge and reward you'd expect from a century ride out of Boulder, Colorado. 75 and 100-mile options. |
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| Colorado's premier off-road endurance race climbs 13,719 feet over its 100 miles and will remind you of what backcountry mountain biking is all about. |
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| This ride offers outstanding views of Colorado's highest mountain peaks while enjoying the sunshine of the Arkansas River Valley. 40, 50, 62, and 100 mile options. |
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| Ride the beautiful back roads around Boulder, Colorado on 14, 35, 50, 70, and 100 mile routes. |
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| Enjoy a ride in the mountains near Frisco, Colorado, and help complete the bike trail around Lake Dillon! 21, 45, 60, and 100-mile options. |
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| An annual tour through the majestic Rocky Mountains. Begins and ends in Edwards and covers 439 spectacular alpine miles. |
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| Enjoy breathtaking scenery, gorgeous roads and three challenging climbs on one of Colorado's classic alpine road rides. |
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| The Courage Classic is an annual three-day, 157-mile bicycle tour that begins and ends in Leadville, Colorado and raises funds for the Children's Hospital in Aurora. |
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| A challenging 3-day charity tour over 5 mountain passes covering some of the most beautiful scenery in South Western Colorado. |
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| This Denver, Colorado event is billed as the most challenging single-day Century ride in the United States, with over 12,000 feet of elevation gain. |
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| The Denver Century Ride offers a 22-mile family ride fun ride, an exhilarating 62-mile metric century, and a challenging 100-mile century, each starting and ending at Invesco Field in Denver, Colorado. |
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| Come out and enjoy everything about being on two wheels at Bear Creek Lake Park in Lakewood, Colorado with the Battle the Bear XC Challenge and the Front Range 50 Endurance Race. |
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| This ride offers spectacular fall views of the scenic San Juan Basin, with 37, 60, and 100 mile options. |
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| The Fruita Fat Tire Festival kicks off the mountain bike season in the beautiful red rock country near Fruita, Colorado. |
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| A charity cycling event to raise funds for a non-profit clinic providing medical and dental services to Denver, Colorado. |
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| One of the classic bicycle events in the West takes place every Memorial Day weekend in Durango, Colorado. |
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| An annual mountain biking weekend that has been taking place in and around Lyons, Colorado since 2001. |
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| Pedal for Nets is an annual charity bike ride along Colorado's Front Range. The ride takes cyclists on a great 3-day, 160-mile loop starting and ending in Longmont. |
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| Pedal For Your Cause is a Longmont, Colorado cycling fundraiser to help bring the world of cycling to kids with disabilities. Riders choose between a 50, 25 and 10 mile routes. |
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| Pedal The Plains is a one-of-a-kind three-day cycling event celebrating the agricultural roots and frontier heritage of the Colorado Eastern Plains. |
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| Pedal to the Point is a grand tour of Northern Colorado, with route options of 10, 24, 52, and 72 miles. |
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| Pedaling 4 Parkinson's is a 50-mile bike ride starting in Garland Park in Denver, Colorado, to benefit the Michael J. Fox Foundation for Parkinson's Disease research. |
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| Pedaling for St Pat's is an annual 50K bike ride that is part of the St.Patrick's Day celebration in Colorado Springs, Colorado. |
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| An annual bicycle tour that takes 2000 cyclists on a 6-7 day ride on paved roads through Colorado's Rocky Mountains each June. |
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| Join 1500 of your new best friends and ride through Garden of the Gods and the streets of Colorado Springs, Colorado on this annual midnight bicycle ride. |
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| A challenging road bike ride along one of Colorado's most beautiful scenic highways, 102 miles from La Veta to Segundo and back. |
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| An annual ride that takes place during one of Aspen, Colorado's prime fall foliage weekends, and is an absolutely gorgeous ride, with 25 and 50-mile options. |
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| Tour de Vineyards is a great way to celebrate the start of fall, by joining in this 25-mile bicycle tour of Colorado's Wine Country, in and around Palisade, Colorado. |
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| Over 120 miles and more than 10,000 feet of elevation gain over three major mountain passes make this Evergreen, Colorado event only for the fittest cyclists. |
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| Created for women by women, Venus de Miles is Colorado's first women's-only bike ride, rolling from Prospect Park in Longmont, Colorado with 35 and 65-mile options. |