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Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all.  To have an event posted here please follow this link:  Event Policy Submission & Guidelines

Sea Otter Classic

Monterey, Ca   World's Premier Cycling Festival Racing, Gran Fando, Tour, Festival fun, MTB, youth and so much more.   Event details and registration here

Dirty Double Fondo 200km

Salida   Please make sure to read all rules for this. This is fully unsupported and you will need to be self-sufficient in order to complete this.   This isn’t some heavily marketed, corporate sponsored, contrived route on a gridRead More

Sante Fe Century

Christus St. Vincent Regional Medical Center 455 St Michaels Dr, Sante Fe, NM

Santa Fe, NM   Miles of history pass under your wheels as you bicycle down the ancient Turquoise Trail through the old mining towns of Madrid and Golden, across the mineral rich Ortiz and San Pedro Mountains, across the EstanciaRead More

Palisade Gran Fondo

peach bowl park 571 W 5th St #1, Palisade, CO

  The 3rd Annual Palisade Gran Fondo takes place June 3 2017. Again this year we will have a chip timed 72 mile Gran Fondo and a 40 mile untimed, Piccolo Fondo. Both courses travel through our amazing Colorado fruitRead More

Death Ride Challenge

Durango CO

Durango   The Toughest One Day Ride In the USA ..To Defeat ALS   The DEATH RIDE Challenge covers 235 miles over ONE DAY with about 16,500 feet of elevation gain. This is a very CHALLENGING bike ride and designedRead More

2017 Mountain Top Experience Ride

Florissant Grange Hall Florissant, CO

Saturday June 17, 2017 Florissant, Teller County, Co   The 6th Annual Mountain Top Experience Ride has open registration. Starting at $45 with a t-shirt and $40 for no t-shirt, increasing $5 each month until event day. Free lunch andRead More

Prestige Imports Snowmass Loop MTB Fondo

snowmass snowmass, CO

Snowmass   What makes the event unique?  It’s FREE!   Sponsored by Prestige Imports and Snowmass Tourism, in conjunction with Snowmass Demo Days (6/24-25) and Aspen Snowmass’ Passholder Week, 75 lucky riders will be able to test their skills in the newRead More

Bob Cook Memorial Mt Evans Hill Climb

Clear Creek Middle School 320 Chicago Creek Rd, Idaho Springs, CO

Idaho Springs   The Bob Cook Memorial Mt. Evans Hill climb is an iconic bicycle race that takes place on the highest paved road in the United States. Celebrating it’s 52nd year, it was run for the first time inRead More

14th Annual Grin & Barrett Charity Ride

Red Arrow Inn & Suites 1702 E. Main St. , Montrose, CO

Montrose   The Black Canyon Buttkicker Charity Ride is held annually in Montrose, Colorado, to support patient wellness through San Juan Healthcare and the Caring Friends Fund.  In 2004, a group of riding enthusiasts and passionate men banded together inRead More

Pikes Peak Cycling Gran Fondo

Colorado Springs   The Broadmoor Pikes Peak Cycling Hill Climb Gran Fondo features a non-competitive fun rides that give cyclists of all abilities a truly unique experience on Pikes Peak - America's Mountain.  It will be held in conjunction with theRead More

2nd Annual Bite the Bullet Gravel Fondo

New Belgium Brewery 500 Linden St, Ft. Collins, CO

Ft. Collins   Second Annual FoCo Fondo's Bite the Bullet Gravel Fondo in Fort Collins, Colorado, hosted at New Belgium Brewing.  Fort Collins first Gravel Fondo! Here's the short and simple: Remote gravel roads, open spaces, heavily stocked aid stations,Read More

Golden Gran Fondo

Golden   The Gran Fondo National Championship Series offers not only the hardest road racing series in the nation, but also the most fun! Ride with your friends, Race with your friends 3 Distances to choose from: Gran Route (81Read More

Supertraining Ride For Chad

House of Spin 2840 Wilderness Pl, unit GBoulder,

Boulder   Join us October 22nd for our fully supported monthly group ride. Departure at 10am from House Of Spin - arrive at 9:30am for coffee and a snack. Project Supertraining promotes a unique monthly ride out of Boulder, CO - the only one in theRead More

Sea Otter Classic

Monterey, Ca World's Premiere Cycling Festival   “You guys should put on a mountain bike race.” That simple statement from a Monterey bike shop owner in 1990 was the genesis for the Sea Otter Classic. Co-founders Frank Yohannan and LouRead More

Sea Otter Classic

Monterey, Ca World's Premiere Cycling Festival   “You guys should put on a mountain bike race.” That simple statement from a Monterey bike shop owner in 1990 was the genesis for the Sea Otter Classic. Co-founders Frank Yohannan and LouRead More

Sea Otter Classic

Monterey, Ca World's Premiere Cycling Festival   “You guys should put on a mountain bike race.” That simple statement from a Monterey bike shop owner in 1990 was the genesis for the Sea Otter Classic. Co-founders Frank Yohannan and LouRead More

Sea Otter Classic

Monterey, Ca World's Premiere Cycling Festival   “You guys should put on a mountain bike race.” That simple statement from a Monterey bike shop owner in 1990 was the genesis for the Sea Otter Classic. Co-founders Frank Yohannan and LouRead More

Sante Fe Century

Santa Fe, NM   Miles of history pass under your wheels as you bicycle down the ancient Turquoise Trail through the old mining towns of Madrid and Golden, across the mineral rich Ortiz and San Pedro Mountains, onwards through theRead More

Palisade Gran Fondo

peach bowl park 571 W 5th St #1, Palisade, CO

Palisade   Gran Fondo loosely translated means ‘big’ or ‘great ride’. The Palisade Gran Fondo is a fully supported, road cycling event on rolling terrain through picturesque orchards and vineyards of Western Colorado. Climb up onto the rugged Reeder and PurdyRead More

Guanella Pass Hill Climb & Gran Fondo

Guanella Pass Georgetown, CO

Georgetown   Photos by Brent Murphy: Guanella Pass Hill Climb - https://www.brentmurphyphoto.com/2018-Road/2018-06-03-Guanella-Pass-Hill-Climb Colorado Sr. Hill Climb Championships The Guanella Pass Hill Climb is one of the most scenic routes in all of Colorado.  Riders will leave historic downtown Georgetown and traverseRead More

Vuelta A Dillon

Dillon   Riders mark your calendars for the 6th annual Prestige Imports Vuelta a Dillon Fondo style road event. This “Fondo” event is great for riders of all levels with 3 timed sections that allow you to see how youRead More

Bob Cook Memorial Mount Evans Hill Climb

Mt. Evans CO

Idaho Spring   The Bob Cook Memorial Mt. Evans Hill climb is an iconic bicycle race that takes place on the highest paved road in North America. Challenge yourself to check one of the coolest and most notable rides offRead More

FoCo Fondo – Bite the Bullet

New Belgium Brewery 500 Linden St, Ft. Collins, CO

Ft. Collins   FoCo Fondofest Adds 12- and 25- Mile Route to Third Year Event, Continuing FoCo Fondofest’s Legendary Gravel Event Experience. FoCo Fondo, a cycling event company, announces the return of gravel ride and festival FoCo Fondofest on August 4,Read More

Pikes Peak Hill Climb & Gran Fando

Pikes Peak Colorado Springs, CO

Colorado Springs   Photos by Reid Neureiter https://www.flickr.com/photos/21085902@N08/sets/72157670053212347   The Broadmoor Pikes Peak Cycling Hill Climb Gran Fondo features a non-competitive fun rides that give cyclists of all abilities a truly unique experience on Pikes Peak - America's Mountain.  This event willRead More

Golden Gran Fando

golden

Golden   Ride with your friends, Race with your friends 3 Distances to choose from: Gran Route (91 mi), Medio Route (63mi), Piccolo Route (20 mi) 4 Timed Sections in the Gran Route – Best Combined Time Wins Custom “RaceRead More

West Elk Bicycle Classic

Gunnison County

Gunnison   The West Elk Bicycle Classic covers country that should be felt up close, like on a bicycle. There are several options for most any rider: Do you want a shorter ride on the most beautiful road you’ll beRead More

The Whole Enchilada Enduro & Gran Fando

Moab Moab, UT

Moab, Ut   Please note that this event is under permit review by both the Moab BLM and USFS, When we have final approval and a date we will announce via social media as to the openiny day of onRead More

Prestige Imports Snowmass Loop MTB Fondo

snowmass snowmass, CO

Snowmass   It’s official! The 2018 Snowmass Loop Mountain Bike Fondo is rescheduled for September 29 th with a 10:00 AM start. The 26 mile loop circles the greater Snowmass area serving up a tasty and challenging sample of theRead More

The Whole Enchilada Enduro & Gran Fando

Moab Moab, UT

Moab, Ut   Please note that this event is under permit review by both the Moab BLM and USFS, When we have final approval and a date we will announce via social media as to the openiny day of onRead More

The Whole Enchilada Enduro & Gran Fando

Moab Moab, UT

Moab, Ut   Please note that this event is under permit review by both the Moab BLM and USFS, When we have final approval and a date we will announce via social media as to the openiny day of onRead More

Santa Fe Century

Santa Fe

Santa Fe, NM   Miles of history pass under your wheels as you bicycle down the ancient Turquoise Trail, onwards through the Galisteo Basin to the old village of Galisteo, and back into scenic Santa Fe. The Santa Fe CenturyRead More

peach bowl park 571 W 5th St #1, Palisade, CO

Palisade   Gran Fondo loosely translated means ‘big’ or ‘great ride’. The Palisade Gran Fondo is a fully supported, road cycling event on rolling terrain through picturesque orchards and vineyards of Western Colorado. The Palisade Gran Fondo is a fully supported, timed road cyclingRead More