Colorado 100-Mile Century Rides & Tours 2026–2027
Verified calendar of 100-mile century rides, metric centuries, and scenic road tours scheduled across Colorado.
Colorado 100-Mile Century Rides & Tours
Showing 8 verified eventsRide the Rockies
Iconic weeklong high-altitude bicycle tour climbing Colorado's most majestic Continental Divide passes....
Elephant Rock Cycling Festival
The traditional kickoff to the Colorado cycling season through Douglas County....
Triple Bypass Gran Fondo
Colorado's ultimate alpine road challenge conquering Juniper Pass, Loveland Pass, and Vail Pass....
Courage Classic
Two-day high-altitude mountain tour through Summit and Eagle counties....
Telluride 100 MTB
Ascending past 13,000 feet in the breathtaking San Juan Mountains....
Leadville Trail 100 MTB
The legendary 'Race Across the Sky' soaring past 12,600 feet at the Columbine Mine summit....
SBT GRVL Black
World-class champagne gravel through the picturesque Routt County ranchlands....
Gravel Locos Hico
High plains gravel endurance event supporting local rural emergency services....
⚡ Training & Pacing Tools for Century Ride Riders
Dial in your pacing, target power zones, and climbing cassette ratios for century ride courses.