The Insider's Guide to Colorado Cycling: Tour de Steamboat, Breck Epic & The Stonewall Century (2026–2027)
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Riding in Colorado is an endurance rite of passage. Climbing high mountain passes above 9,000 feet, tackling remote gravel backroads through golden aspen groves, and navigating alpine singletrack requires preparation, pacing, and respect for high-altitude climate shifts.
At Threshold Cycling, we’ve analyzed our 2026–2027 database Colorado endurance events to highlight three iconic rides across the Centennial State. Whether you're targeting a community-focused gravel ride in Steamboat Springs, a legendary 6-day backcountry mountain bike stage race in Breckenridge, or climbing Cucharas Pass twice on the Highway of Legends, here is your complete rider’s guide.
📊 Colorado Cycling Market Index (2026–2027 Database Breakdown)
Data compiled from 57 verified events across Colorado.
1. Tour de Steamboat (August 22, 2026)
Based in Steamboat Springs, the Tour de Steamboat is a community-driven, non-competitive 501(c)(3) non-profit event celebrating over 21 years of riding. Departing from historic Olympian Hall at the base of Howelsen Hill, 100% of event proceeds benefit local Yampa Valley charities.
- Featured Gravel Routes: Highlights include the remote 112-mile Lynx Pass Assault (+6,012 ft of climbing through South Routt County) and the popular 50-mile gravel loop.
- Road Route Options: Road riders can choose between 25, 46, and 66-mile loops traversing the Yampa River Valley.
- Finish Line Celebration: Finishes at Howelsen Hill riverfront with a catered BBQ, local craft beer, and live music.
Rider Tip: The remote gravel sections around Lynx Pass are subject to sudden high-altitude weather changes. Carry a lightweight wind/rain shell and download GPS routes prior to departing Steamboat Springs.
🔗 Official Site: tourdesteamboat.com
2. The Breck Epic MTB Stage Race (August 9–14, 2026)
Held in Breckenridge, The Breck Epic is an iconic 6-day (or 3-day) mountain bike stage race. Designed around cloverleaf loops that start and finish near downtown Breckenridge, riders tackle over 220 miles of pristine singletrack and 40,000 vertical feet of climbing.
- High-Altitude Alpine Passes: Courses top out above 12,000 feet on Wheeler Pass, Boreas Pass, French Gulch, and Georgia Pass.
- Pure Singletrack Focus: Renowned for high-reward singletrack descents, technical rock gardens, and backcountry wilderness vistas.
- Community Vibe: Famous for its welcoming rider culture, post-stage aid stations, and daily evening rider briefings.
🔗 Official Site: breckepic.com
3. The Stonewall Century (August 8, 2026)
Organized by the Spanish Peaks Cycling Association out of La Veta, Colorado, the Stonewall Century is a 102-mile out-and-back mountain century along Colorado State Highway 12 (the Highway of Legends Scenic Byway).
- Double Pass Climb: Riders climb over Cucharas Pass (9,945 ft elevation) twice—once northbound and once on the return leg.
- The "Soul Crusher" Segment: At mile 83 on the return leg, riders tackle the back side of Cucharas Pass—a steep 1-mile section exceeding 10% gradient.
- Scenery & Support: Features views of the Spanish Peaks, volcanic rock dikes, and North Lake, concluding with a 17-mile descent into La Veta for the post-ride BBQ.
🔗 Official Site: spcycling.org/stonewall-century
🛒 Gear Up for High-Altitude Colorado Riding
Recommendations for pacing alpine pass climbs and high-elevation routes.
LAS Virtus Carbon Helmet
Lightweight Italian ventilation. Crucial for regulating temperature during long mountain pass climbs.
View Helmet →Favero Assioma DUO Pedals
Dual-sided power measurement. Essential for pacing sustained 9,000+ ft pass ascents without spiking threshold.
View Power Meter →