2021 Colorado & Wyoming Mountain Bike Race Calendar

People are always complaining there’s not a comprehensive list of XC/endurance mountain bike races in Colorado and Wyoming… with so many promoters, it definitely can be hard and a lot of lists out there miss out on several big races and series (or ignore the awesomeness that is Wyoming mountain bike racing).  So I’m determined to try to solve that!

If you know of a race not listed here, please comment so I can get it added! This is mostly a fat bike, XC, and endurance focused calendar, but I might throw in the occasional enduro or downhill event on the list.

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Thanks,  COVID-19.

I will work to update the calendar as needed with cancellations, date changes, etc, if I come across the information.  I highly highly HIGHLY recommend checking any race’s social media pages (Facebook, Instagram, etc) and official websites for updated information.

There are a lot of opinions about racing during COVID-19, both for and against.  I merely provide the race calendar, it is up to you to follow guidance, public health orders, instructions of the race promoters, and to decide your level of comfort with racing during the pandemic.

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If you know of an event I have missed, please comment below with details/website.  This list is specifically for mountain bike events, please see my gravel calendar if the event is more that style.  Thanks!

Awaiting dates for… Vail Rec Series, NBB Short Track??,  Leadville Big Friggin Loop, Durango Dirty Century, CO Police & Fire Games, CO Trail Classic, Ring the Peak, 12 Hours of Penitence, Banana Belt, Fall Classic, rumors of a Lory State Park series

Laramie Mountain Bike Series is officially dead 😦

(I pulled all these dates off of the official event websites. So any incorrect dates falls back on those websites, I merely just repeat the information. Please check official websites for any changes/cancellations – I will try to note when possible.  Also several races on this list are lottery-entry, or sell out pretty darn quickly!)

Last updated 4/19/2021

2021 Dates

January 2021

• January 9, 2021 – Frosted Jackalope – Gillette, WY (Fat Bike)
• January 15-17, 2021 – Borealis Fat Bike World Championships – Pinedale, WY (Fat Bike)
• January 23, 2021 – Gold Run Fat Bike Series – Breckenridge, CO (Fat Bike)
• January 30, 3021 – Leadville Winter Mountain Bike Series: Colorado Cup – Leadville, CO (Fat Bike)
• January 30, 2021 – Gold Run Fat Bike Series – Breckenridge, CO (Fat Bike)

February 2021

• February 6, 2021 – Leadville Winter Mountain Bike Series: Tennessee Pass Night Jam – Leadville, CO (Fat Bike)
• February 6, 2021 – Aspen Fat Bike Race – Aspen, CO (Fat Bike)
• February 21, 2021 – Snow Dawg – Laramie, WY (Fat Bike)
• February 27, 2021 – Frisco Freeze – Frisco, CO (Fat Bike)

March 2021

• March 6, 2021 – Chubby Chaser – Laramie, WY (Fat Bike)
• March 6, 2021 – Leadville Winter Mountain Bike Series: Mineral Belt Mayhem – Leadville, CO (Fat Bike)
• March 6, 2021 – Togwotee Winter Classic – Dubois, WY (Fat Bike)
• March 12-15, 2021 – The Drift – Pinedale, WY (Fat Bike)
• March 19-22, 2021 – Four Seasons of Horsetooth – Fort Collins, CO (XC)
• March 20, 2021 – Leadville Winter Mountain Bike Series: Fatty Patty – Leadville, CO (Fat Bike)

April 2021

• April 10, 2021 – Leadville Winter Mountain Bike Series: East Side Epic – Leadville, CO (Fat Bike)

May 2021

• May 1, 2021 – Sarlaac Attack 50k – Fruita, CO (Endurance)
• May 1, 2021 – Ridgeline Rampage – Castle Rock, CO (XC & Endurance)
• May 7-8, 2021 – 18 Hours of Fruita – Fruita, CO (Endurance)
• May 8-9, 2021 – Grand Enduro – Grand Junction, CO (Enduro)
• May 8, 2021- Fangdango – Bailey, CO (USAC XC)
• May 8, 2021 – 12 Hours of Mesa Verde – Cortez, CO (Endurance) 
• May 14-16, 2021 – Grand Junction Off Road – Grand Junction, CO (XC & Endurance) Cancelled
• May 15, 2021 – Royal Gorge Six & Twelve – Canon City, CO (Endurance)
• May 15, 2021 – Guffey Huffer – Salida, CO (Endurance)
• May 22, 2021 – Battle the Bear – Lakewood, CO (XC/Endurance)
• May 22, 2021 – Grand Junction Epic – Grand Junction, CO (Endurance)
• May 24, 2021 – Fat Fish Racing: Skinny Cow Jam – Casper, WY (XC)
• May 29-30, 2021 – Gunnison Growler – Gunnison, CO (XC/Endurance)
• May 30, 2021 – Iron Horse Bicycle Classic Subaru MTB Race – Durango, CO (XC) 

June 2021

• June 2, 2021 – Rattler Series – Lakewood, CO (XC)
• June 5, 2021 – ERock Sunrise to Sunset – Castle Rock, CO (Endurance)
• June 5, 2021 – Glas Deffryn Junior MTB XC Race – Oak Creek, CO (Junior XC)
• June 7, 2021 – Fat Fish Racing: Ponderosa Pileout – Casper, WY (XC)
• June 9, 2021 – Summit Mountain Challenge Race Series: Frisco Roundup – Frisco, CO (XC)
• June 10-13, 2021 – GoPro Mountain Games – Vail, CO (XC)
• June 12, 2021 – Salida Big Friggin Loop – Salida, CO (Endurance)
• June 12, 2021 – Gowdy Grinder – Curt Gowdy State Park, WY (XC) Cancelled
• June 17-19, 2021 – Grand Gear Grind (G3) MTB Stage Race –  Winter Park, CO (Endurance) 
• June 19, 2021- The Hundo – Bailey, CO (Endurance)
• June 20, 2021 – Party at Purg – Durango CO (DH)
• June 21, 2021 – Fat Fish Racing: Dry Creek Clash – Casper, WY (XC)
• June 21-27, 2021 – Junior Bike Week – Crested Butte, CO
• June 23, 2021 – Summit Mountain Challenge Race Series: Frisco Roundup – Frisco, CO (XC)
• June 25, 2021 – Chainless World Championships – Crested Butte, CO (DH)
• June 26, 2021 – Winter Park Classics: Point to Point – Winter Park, CO (XC)
• June 26, 2021 – Bear Bait 8 – Casper, WY (Endurance)
• June 27, 2021 – Crested Butte Junior Wildflower Classic XC Race – Crested Butte, CO (XC)
• June 27, 2021 – Revolution Enduro – Eagle, CO (Enduro)
• June 27, 2021 – Trestle Gravity Series – Winter Park, CO (DH)

July 2021

• July 4, 2021 – Firecracker 50 – Breckenridge, CO (Endurance)
• July 5, 2021 – Fat Fish Racing: Casper Mountain Crusher- Casper, WY (XC)
• July 5-14, 2021 – USA Cycling Mountain Bike National Championships – Winter Park, CO (XC/DH/Enduro)
• July 7, 2021 – Rattler Series – Lakewood, CO (XC)
• July 10, 2021 – Silver Rush 50 – Leadville, CO (Endurance) 
• July 14, 2021 – Summit Mountain Challenge Race Series: Pennsylvania Gulch Grind – Breckenridge, CO (XC)
• July 19, 2021 – Fat Fish Racing: Muddy Mountain Mayhem – Casper, WY (XC)
• July 21, 2021 – Highlands Ranch MTB Series – Highlands Ranch, CO (XC)
• July 24, 2021 – Winter Park Sunrise to Sunset – Winter Park, CO (Endurance) 
• July 24, 2021 – Snowmass 50 – Aspen, CO (Endurance)
• July 25, 2021 – Colorado Trail Race – Durango, CO (Endurance)
• July 28, 2021 – Summit Mountain Challenge: Soda Creek Scramble – Keystone, CO (XC)
• July 28, 2021 – Highlands Ranch MTB Series – Highlands Ranch, CO (XC)
• July 30 – August 1, 2021 – Leadville Stage Race – Leadville, CO (Endurance)
• July 31, 2021 – Telluride 100 – Telluride, CO (Endurance)
• July 31, 2021 – Laramie Range Epic (formerly the Laramie Enduro) – Laramie, WY (XC/Endurance) 
• July 31, 2021 – August 1, 2021 – Revolution Enduro – Steamboat Springs, CO (Enduro)
• July 31, 2021 – Winter Park Classics: Race Rendezvous – Winter Park, CO (XC)

August 2021

• August 1, 2021 – Breck Bash – Breckenridge, CO (Endurance & XC)
• August 2, 2021 – Fat Fish Racing: Mountain Sports Mashup – Casper, WY (XC)
• August 4, 2021 – Highlands Ranch MTB Series – Highlands Ranch, CO (XC)
• August 7, 2021 – Pierre’s Hole 50/100 – Alta, WY (NUE Endurance & XC)
• August 7, 2021 – The Mountain’s Revenge – Montezuma, CO (Endurance)
• August 7, 2021 – Emerald Mountain Epic (formerly the Steamboat Stinger)- Steamboat Springs, CO (Endurance)
• August 7, 2021 – Boggy Draw Beat Down – Dolores, CO (USAC Endurance/XC)
• August 7, 2021 – New Castle Dirty Dozen – New Castle, CO (XC)
• August 8, 2021 – King of the Grommets – Winter Park, CO (Junior DH)
• August 11, 2021 – Highlands Ranch MTB Series – Highlands Ranch, CO (XC)
• August 14, 2021 – Leadville Trail 100 – Leadville, CO (Endurance)
• August 14, 2021 – Big Mountain Enduro: Winter Park – Winter Park, CO (Enduro)
• August 15-20, 2021 – Breck Epic – Breckenridge, CO (Endurance)
• August 16, 2021 – Fat Fish Racing: Maze Craze – Casper, WY (XC)
• August 19-22, 2021 – Jurassic Classic Mountain Bike Festival – Lander, WY
• August 21, 2021 – Colorado Junior Cup – Bailey, CO (Junior XC)
• August 25, 2021 – Summit Mountain Challenge Race Series: Peaks Trail Time Trial – Frisco, CO (XC)
• August 28, 2021 – Lake City Alpine 50 – Lake City, CO (Endurance)
• August 28, 2021 – Monarch Mind Bender – Monarch Pass, CO (Endurance)
• August 28, 2021 – Winter Park Classics: King of the Rockies – Winter Park, CO (XC)
• August 28-29, 2021 – Colorado High School MTB League Race #1
• August 28-29, 2021 – Revolution Enduro – Snowmass, CO (Enduro)
• August 30, 2021 – Fat Fish Racing: Bike Bash – Casper, WY (XC)

September 2021

• September 3-5, 2021 – Trestle Gravity Series – Winter Park, CO (DH)
• September 5, 2021 – Grand Traverse – Aspen, CO (Endurance)
• September 6, 2021 – King of the Grommets – Winter Park, CO (Junior DH)
• September 11-12, 2021 – Colorado High School MTB League Race #2
• September 19, 2021 – Bearlodge Mountain Classic – Sundance, WY (XC)
• September 19, 2021– RATS 50 Endurance MTB Race – Eagle, CO (Endurance)
• September 19, 2021 – Monarch Crest Crank – Salida, CO (Supported ride)
• September 23-26, 2021 – Pikes Peak Apex – Colorado Springs, CO (XC Stage Race)
• September 25-26, 2021 – Colorado High School MTB League Race #3

October 2021

• October 2-3, 2021 – Beti Bike Bash – Lakewood, CO (Women Only XC)
• October 9-10, 2021 – Colorado High School MTB League Race #4
• October 14-17, 2021 – USA Cycling Collegiate Mountain Bike National Championships – Durango, CO (XC/DH)
• October 23-24, 2021 – Colorado High School MTB League State Championships