Buffalo Bicycle Classic
2026-09-13 07:00 - 17:00 (America/Denver)
Ride Bikes. Change Lives.

Get ready—Colorado’s largest cycling scholarship fundraiser is rolling into Boulder! The Elevations Credit Union Buffalo Bicycle Classic is more than just a bike ride—it’s the University of Colorado Boulder’s biggest scholarship fundraising cycling event. Since 2003, the ride has raised over $4.3 million, helping more than 400 high-merit students with financial need graduate from CU Boulder.
And don’t miss the rare opportunity to ride up Boulder Canyon while it’s closed to vehicle traffic—an unforgettable experience for a great cause!

Evergreen Youth Gritty Grind Series
2026-09-15 17:00 - 19:00 | Wulf Rec Center, 5300 S. Olive Road, Evergreen, CO, 80439, United States
Want to try some competitive bike races this summer?
Want to WIN some races this summer?!
Join EPRD for our Youth Gritty Grind MTB Race Series!
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Races are for all youth 2 – 14 years old – from Strider bikes and up!
Races will take place Tuesdays (7/21, 8/18, 9/15) at 5:00pm on the MTB Skills course behind the Wulf Rec Center.
Races will be in a cyclocross format – timed, plus one lap.
Racers will earn points based on finishing position.
Points will accrue across the series and after 3rd and final race, rider with the most points wins.
1st, 2nd, and 3rd place winners for each category – spirit awards too, wear your best outfit!!
Categories –
– Boys and Girls
– Ages 2-5 (Striders only)
– Ages 6-8, 9-11, 12-14 (Pedal bikes, no restriction on size)
Race Parameters –
– 2-5 – one lap
– 6-8 – 15 mins, plus one lap
– 9-11 – 25 mins, plus one lap
– 12-14 – 35 mins, plus one lap
Courses may include tarmac, gravel, hardpack, loose soil and wooden features.
**** Riders must wear helmets at all times while riding. ****
**** Gloves, eye protection and other protective equipment is highly recommended. ****
**** Bikes should be mechanically sound with working brakes. ****
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**** See link below for registration!
**** You may register for each race individually, or for the series at a discounted rate ****
**** Registration fees increase $5 for day of registrations. Save yourself a fiver and sign up ahead of time!! ****

TNT Tuesday Night Thunder Race Series
2026-09-15 17:30 - 20:00, 2026-09-22 17:30 - 20:00, 2026-09-29 17:30 - 20:00, 2026-10-06 17:30 - 20:00, 2026-10-13 17:30 - 20:00 | Louisville, CO
Weeknight Criterium Bike Racing. Join us every Tuesday starting in June for some fast paced fun! Races will be self categorized and unsanctioned, keeping racing affordable and fun for everyone!

THE COURSE
The 0.6 mile TNT course is perfect for beginners and features three wide 90 degree turns followed by a long and gradual sweeping uphill turn that leads into the start/finish line.

Chatfield Time Trial Series
2026-09-16, 2026-09-23 | Chatfield State Park, 11500 N. Roxborough Park Rd., Littleton, 80125, United States
Come ride with Team Cobras this Fall! Join our three-week series on September 9, 16, and 23.
Challenge yourself on a fast, scenic 10.9-mile course around beautiful Chatfield Lake! Whether you’re a seasoned racer or new to time trials, this series welcomes all abilities. Enjoy smooth roads, wide shoulders, and breathtaking views at every turn. Early September brings pleasant, sunny days and cool, comfortable evenings—perfect conditions for unforgettable racing.
View Event Website

Wednesday Morning Velo
2026-09-16 06:30 - 08:00, 2026-09-23 06:30 - 08:00 | Boulder, CO
Wednesday Morning Velo is Boulder’s premiere networking group ride.
Every Wednesday starting May 13, at 6:30 am.

Rise n Ride Commuter Group Bicycle Rides
2026-09-16 07:30 - 2028-02-16 09:00, 2026-09-23 07:30 - 2028-02-23 09:00, 2026-09-30 07:30 - 2028-03-01 09:00, 2026-10-07 07:30 - 2028-03-08 09:00, 2026-10-14 07:30 - 2028-03-15 10:00 | McCaslin Park n Ride, Superior, CO, United States
Join Community Cycles for Rise n’ Ride, a free weekly group bike ride designed to help people build confidence biking for transportation. Whether you’re new to commuting by bike or looking for a supportive group to ride with, everyone is welcome. The ride meets every Wednesday morning at the US 36/McCaslin Park-n-Ride (North Side) at 7:20am and follows a comfortable pace with experienced ride leaders. Learn more about bike commuting, connect with fellow riders, and discover how biking can become part of your daily routine.

Colorado Springs Bike Party
2026-09-17 19:00 - 21:00 | Colorado Springs, CO
A casual group ride around Colorado Springs. Route is relatively flat, ~6 miles. No drop, easy pace with a few regroup spots along the ride.
We are here to promote visibility, inclusivity, and creativity in the cycling community. Everyone who welcomes everyone is welcome to join.
Bring your friends, bring your wheels, and bring the good vibes.
We meet at Cocktails After Dusk, downtown COS, 8 E. Bijou St., 7 pm Ride rolls out at 7:30 pm

Mane Event
2026-09-18 - 2026-09-19 | Koltiska Pumpkin Patch, 120 Cat Creek Rd, Sheridan, WY, 82801, United States
Experience the untamed beauty of Wyoming at the Mane Event Gravel Grinder! Choose your adventure across 25, 32, 54, or 78 miles of mostly gravel roads that wind through rolling ranch land and sweeping foothills north and east of Sheridan. Starting and finishing at the Koltiska Pumpkin Patch, riders are treated to well-marked routes, full support, spirited camaraderie, and aid stations with everything you’ll need along the way. Whether you’re a seasoned racer or new to gravel, every mile offers a friendly challenge and the welcoming community vibe that makes this event unique. Proceeds benefit local nonprofits—join Sheridan’s signature fall ride and discover why gravel adventures in Wyoming are truly one-of-a-kind

Salida 76
2026-09-19 | Salida, CO, Salida, United States
Seventy-six miles or 76k of gorgeous Colorado backcountry roads that will remind you why you love gravel in the first place.
The Salida76 is a far-out gravel adventure for all the explorers out there. We base our camp in the laid-back City of Salida and offer a spectacular weekend of two-wheeled, self-propelled frivolity. It’s September at its finest.
It’s a race, a ride, and a helluva good time. Let’s chill out and ride bikes.
Register Here
View Event Website

Tour De Vineyards
2026-09-19 | Palisade, CO, Palisade, United States
Celebrate the beginnings of fall with a scenic tour of Colorado Wine Country on September 19th with the Tour de Vineyards ride. Choose between two routes, a leisurely 23-mile route along the Palisade Fruit & Wine Byway or the more challenging 58-mile course that adds on a loop up and over Reeder Mesa.
Both routes showcase the splendor of the Grand Valley and the beauty of the Western Slope. Chock-full of wineries, vineyards, orchards, and mesas, our 32nd annual tour has a little something for everyone. After a good ride, enjoy a hearty meal right at the finish line in downtown Palisade and then head over to the Colorado Mountain Winefest (you will need a separate ticket), held just a few blocks away at Riverbend Park.

Register Here
View Event Website

The Banana Belt
2026-09-20 | Salida, CO, Salida, United States
The Banana Belt mountain bike ride is forty miles of zippy singletrack in Salida, Colorado, and part of the Salida Bike Fest!
Visit Event Website

Denver Century Ride
2026-09-26 | The Shops at Northfield, 8340 Northfield Blvd, Denver, CO, 80238, United States
Cycle the City next September 26, 2026, at the 16th Annual CommonSpirit Denver Century Ride – Colorado’s Only Urban-Based Ride for All Cycling Abilities
View event website for more information
Register here

Why Cycle the City?

Discover the Mile High City from the seat of your bike on Denver’s epic urban cycling tour. At the CommonSpirit Denver Century Ride, we believe that cycling is not just a sport, but a healthy and environmentally-friendly way of life. Discover the joy of biking across Denver within a safe, fun & enjoyable experience. The Denver Century Ride explores the diverse neighborhood streets, parks, bike lanes, and trails of Metro Denver while supporting cycling advocacy through our principal ride beneficiary, Bicycle Colorado.
Whether you select the 25, 50, 85, or 100-mile courses, the CommonSpirit Denver Century Ride connects cyclists to attainable urban routes for a casual cruise or a commute to work. Cyclists will roll past Union Station, Coors Field, and Mile High Stadium, or find themselves riding past horse property with a mountain view just a few miles down the road. Experience and explore the connective routes that make Denver one of the country’s most bikeable cities!

Ride For A Reason

Bicycle Colorado is proud to be the primary beneficiary of the Denver Century Ride.Since its inception in 2010, the Denver Century Ride has directly raised more than $250,000 to support nonprofit organizations and cycling advocacy. Giving back to our community has always been a cornerstone of the ride. They are proud of the positive impact cyclists’ participation has had on the Denver Metro Area.

The Boulder Octopus
2026-09-26 | Boulder, CO
Boulder’s epic endurance road ride includes 8 climbs, 100 miles, and 14,000 vertical gain.
www.VailBoulderOctopus.com
https://www.strava.com/clubs/vailboulderoctopus

Life Time The Rad Dirt Fest
2026-09-26 | Trinidad, CO, Trinidad, United States
Be a part of one of Life Time’s newer events in the remote and rugged Spanish Peaks of Colorado. The Rad Dirt Fest offers 3 different bike course options (110, 70 or 40 miles) for all types of rowdy riders. Join us in Trinidad, Colorado, for an eclectic off-road adventure!
View Event Website

Colorado High School Cycling League Race #3 - Eagle & Glenwood Springs
2026-09-26 - 2026-09-27 | Eagle, CO, Eagle, United States
The Colorado League fall race series consists of 4 regional races and a state championship. Mountain biking is a recognized club by many high school administrations. We provide student-athletes with a unique opportunity not found in many traditional school sports. Both individual achievement and teamwork are recognized.
Teams range from 5 to 100+ riders and foster an inclusive culture for participation. We provide high school student-athletes a festive, family-friendly atmosphere that focuses on respectful competition. Teams and individuals are encouraged to set and accomplish competitive goals and to achieve their personal best.
Professional race promotion, timing, course preparation, and risk management assure participants and spectators an exceptional experience where rule #1 is fun, whether a novice or world-class competitor!

Rockies Ramble
2026-09-26 08:00 - 14:00 | Frisco Nordic Center, 616 Recreation Way, Frisco, 80443, United States
The Rockies Ramble brings the mountain bike community together for a day of fast laps, good vibes, and giving back. Ride the iconic Frisco Peninsula trails in a 2 or 4-person relay, completing as many loops (5.5 miles each) as you can in 6 hours.

Vail | Boulder Octopus Rides
2026-09-26 08:00 - 17:00 | Boulder, CO
Van/sag wagon support throughout the day. All of your supplies go on board.
The van stages halfway up the hill and stops to monitor riders as we ascend and does the same on the way down.
As we climb, we break up into small groups and/or go solo as you wish.
We wait for all riders to summit before descending. Eating and clothing changes are done at the summits.
We re-group briefly at the bottom and commute together to the base of the next climb.

Mountains to the Desert Classic (M2D)
2026-09-26 08:00 - 17:00 | Telluride, CO, Telluride, CO, United States
M2D: LET’S RIDE!
The Mountains to the Desert Classic (M2D) is celebrating its 23rd Anniversary as the primary fundraising event for the Just For Kids Foundation.
Join our beloved local ride, beginning in Telluride, Norwood, or Ridgway and finishing in Gateway, Colorado. Whether participants choose to ride 110, 103, or 73 miles, they will experience the full Colorado beauty and grandeur of high mountains to desert terrain.
From alpine glow and aspen forests to sandstone cliffs and palisades, participate in this iconic ride to support our San Miguel County communities.

Register for the Event
View Event Website

Grassroots Gravel
2026-10-09 - 2026-10-10 | Pueblo, CO, Pueblo, United States
Grassroots Gravel features course distances for everyone. All of our routes are on well-maintained roads. Legendary courses, support, and atmosphere for everyone. We’ve got space for every person and every pace. Grassroots Gravel powered by UCHealth features legendary routes, fully-supported courses, fantastic folks, industry-leading race timing, and a core focus to build an experience that welcomes everyone.
View Event Website

Colorado High School Cycling League Race #4 - Cañon City & Nathrop
2026-10-10 - 2026-10-11 | Canon City, CO, Canon City, CO
The Colorado League fall race series consists of 4 regional races and a state championship. Mountain biking is a recognized club by many high school administrations. We provide student-athletes with a unique opportunity not found in many traditional school sports. Both individual achievement and teamwork are recognized.
Teams range from 5 to 100+ riders and foster an inclusive culture for participation. We provide high school student-athletes a festive, family-friendly atmosphere that focuses on respectful competition. Teams and individuals are encouraged to set and accomplish competitive goals and to achieve their personal best.
Professional race promotion, timing, course preparation, and risk management assures participants and spectators an exceptional experience where rule #1 is fun, whether a novice or world-class competitor!
