Summer Cycling 2027
Road, gravel, and mountain biking across Colorado, with a special eye on Summit County and Leadville. Use this guide to find an event that calls to you, then visit the organizer’s page for the latest details.
26 events with 2027 dates confirmed by organizers as of November 3, 2026. Course details, registration windows, and schedules may still change.
Spoke's weekly rides · Join our community · All-season resources
April
- Desert Gravel
Apr 24, 2027 · Gravel · Fruita
Colorado and Utah borderlands gravel routes with several distances.
May
- 18 Hours of Fruita
May 1, 2027 · MTB · Loma / Fruita
Team and solo endurance mountain biking on the western slope. - Adventure Fest
May 8–9, 2027 · Mixed · Fruita
Fruita festival with mountain bike, gravel, and trail options. - The Dirty Edge Gravel
May 8, 2027 · Gravel · Fruita
Gravel race held within Adventure Fest. - Wild Horse Gravel
May 15–16, 2027 · Gravel · De Beque
Mixed-distance gravel weekend with run programming. - Iron Horse Bicycle Classic
May 29, 2027 main road ride · Road · Durango to Silverton
Memorial Day cycling weekend with iconic road and additional dirt events. - Original Growler
May 29–30, 2027 · MTB · Gunnison
Endurance MTB in Gunnison with proceeds benefiting local trails.
June
- Bike MS: Colorado
Jun 12–13, 2027 · Road · Colorado, venue TBD
Charity road ride; official banner confirms 2027 dates, but route details may still be prior-year. - KowTown Gravel
Jun 12, 2027 · Gravel · Kremmling
Multiple gravel distances close to Summit County. Same date as The Hundo and Bike MS. - The Hundo
Jun 12, 2027 · MTB · Buffalo Creek / Bailey
Mountain bike endurance event in Buffalo Creek; organizer says plan for June 12. - FoCo Fondo
Jun 17–20, 2027 · Gravel · Fort Collins
Gravel racing and social riding festival. Moved from July to June in 2027. - Bighorn Gravel
Jun 19, 2027 · Gravel · Gypsum
Eagle Valley gravel and mixed terrain with short and long course options. - SBT GRVL
Jun 25–27, 2027 · Gravel · Steamboat Springs
Gravel event weekend in Routt County, with primary ride/race on June 27.
July
- Frisco Duathlon
Jul 9, 2027 · Mixed · Frisco
Trail run, MTB, trail run event at Frisco Peninsula; open to multiple ability levels. - Triple Bypass
Jul 10, 2027 · Road · Evergreen to Avon
Major 120-mile three-pass supported road ride through Summit County. - Silver Rush 50 MTB
Jul 11, 2027 · MTB · Leadville
High-altitude 50-mile MTB race; consecutive weekend with Triple Bypass. - Courage Classic
Jul 17–18, 2027 · Road · Copper Mountain
Two-day charity road ride supporting Children’s Hospital Colorado. - Leadville MTB Stage Race
Jul 23–25, 2027 · MTB · Leadville
Three-day mountain bike stage race in the Leadville high country. - Mt. Blue Sky Hill Climb
Jul 24, 2027 · Road · Idaho Springs
Iconic 27-mile road ascent toward Mount Blue Sky.
August
- Crooked Gravel
Aug 7, 2027 · Gravel · Winter Park
Gravel event with 25, 67 and new 93-mile options; untimed recreational option offered. - Colorado’s Ride
Aug 8–13, 2027 · Road · Route to be revealed
Multi-day supported Colorado road tour, route forthcoming. - Leadville Trail 100 MTB
Aug 14, 2027 · MTB · Leadville
One of Colorado’s marquee MTB endurance events. 2027 course details subject to change. - Breck Epic
Aug 15–20, 2027 · MTB · Breckenridge
Six-day backcountry MTB stage race in Summit County.
September
- Bighorn Road
Sep 4, 2027 · Road · Gypsum
Scenic Eagle Valley road and hard-packed dirt fondo; shorter options available. - Denver Century Ride
Sep 25, 2027 · Road · Denver
Accessible urban road ride offering short through century distances. - The Rad Dirt Fest
Sep 25, 2027 · Gravel · Trinidad
Gravel race with several distance options in southern Colorado.
Ride with Spoke
The calendar above covers outside events. Spoke also hosts welcoming community rides and gatherings. Find the next chance to join us on the Spoke calendar.