Iron Horse Classic — Three days of bicycling events in Durango, featuring a 50-mile road bike tour, a gravel tour, road race, criterium, mountain bike race. The bike ride to Silverton caps at 2,500 cyclists; register early. Dates: May 28-30, 2021
The Denver Post 2021 Ride the Rockies — Celebrating 35 years in 2020. The tour includes several mountain passes every year. Begins and ends in Durango (two nights), with more overnights in Cortez, Norwood, and Ridgway (two nights). 418 miles and 28,484 feet of elevation gain. Sponsored by the Denver Post. Dates: June 13-18, 2021
Great Divide Colorado Alpine — This fully supported ride presented by Adventure Cycling Association passes some of Colorado’s highest peaks on the Great Divide Mountain Bike Route. Most riding about 9,000 feet elevation.
Stihl Tour des Trees — The Tour des Trees travels to Colorado in 2021. It is an annual long-distance cycling adventure which serves as the primary public outreach and community engagement event for Tree Research and Education Endowment Fund (TREE Fund). Dates:
Aug. 29 to Sept. 4, 2020. Postponed due to Covid-19. Returns in 2021. Check website for updates.
Pedal the Plains — A three-day loop bike ride that explores the flatness of eastern Colorado. Fifty to 70 miles per day, with a century option. Sponsored by the Denver Post, but certainly not to be confused with Ride the Rockies. with a century option one day. Dates: September 10-12, 2021
Also check out:
Bike the Byways — 25 scenic bicycle routes in Colorado for independent-minded bicyclists.
Bailey Hundo — TBA Supports two youth-oriented bicycling organizations in Colorado. The race is held on singletrack in the forests around Bailey, southwest of Denver.
B Strong Ride — TBA Benefits cancer care at the Center for Integrative Care at Boulder Community Hospital and also benefits the George Karl Foundation. Features a children’s ride and 3 options of 24 to 69 miles.