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 here it is, the one many try to copy and rarely succeed… the one and the only comprehensive mountain bike race calendar, big and small races alike – Wyoming included!  

I have began posting 2024 date! The 2023 calendar also remains at the bottom.

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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!

I pulled all these dates off the official event websites and communications with race directors. Please check official websites for any changes/cancellations – I will try to note when possible, but sometimes I cannot keep up.  Also several races on this list are lottery-entry, or sell out pretty darn quickly, so always check websites for full registration details and processes.

Last updated 3/27/2024

2024 Dates

January 2024

February 2024

March 2024

April 2024

May 2024

June 2024

July 2024

August 2024

September 2024

October 2024

  • October 13, 2024 – Beti Bike Bash – Lakewood, CO (Women Only XC)

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2023 Dates

January 2023

February 2023

March 2023

April 2023

May 2023

June 2023

July 2023

August 2023

September 2023

October 2023

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What started as a small thing back in 2015 blossomed into THE resource for mountain bike racing in Colorado and Wyoming. So as expected, hosting costs and maintaining the website takes more time and money to keep it updated. Any support will be greatly appreciated!

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Your contribution is appreciated. Ride fast, but most importantly, keep it fun!

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129 thoughts on “Colorado & Wyoming Mountain Bike Race Calendar”

    1. Thank you! I have it added. This definitely would fill an empty spot in July… but I must admit, I’d hesitant to register for anymore races due to the current state of events involving the pandemic and canceled events!

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  1. Hi Heidi my name is Rafael, I host the Salida Big Friggin’ Loop in the Colorado Endurance Series and is to be held on Saturday June 12th for 2021. The COES page is now updated.
    Also new in the series for 2021: Leadville Big Friggin’ Loop! (LBFL) -Coming this September-
    Thanks for helping spread the good word about all of these fun events!
    Cheers!

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  2. Hi Heidi,2022 dates for Salida Big Friggin Loop: June 11th and Leadville Big Friggin Loop: Sept 3rd registration is now open on the Colorado Endurance Series website. Thank You! -Rafael

    Liked by 1 person

  3. Hi Heidi,
    The Sarlacc Attack 50K Mountain Bike Race in Fruita, CO was moved from the 13th to May 6, 2023. Please review & update, thanks!

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  4. Hi Heidi,
    The Cheyenne Highschool Mountain Bike Club hosts a race / fundraiser every year in Curt Gowdy State Park. I reach out to them recently and they let me know that “… the 2023 Gowdy Grinder will be held Saturday, September 30th. We will send out more information and update our website as the date gets closer”. Great event for a great cause, thanks!

    Liked by 1 person

  5. Hi Heidi,
    Can you please add The 2023 Broadmoor Cycle To The Summit: Event Details:

    August 12th 2023: The Broadmoor Cycle To The Summit, Pikes Peak-America’s Mountain (5089 Pikes Peak Hwy, Cascade-Chipita Park, CO)

    Organized by: Colorado Springs Sports Corporation. (719)634-7333, Info@thesportscorp.org, https://www.coloradospringssports.org/cycletothesummit/

    The Broadmoor Cycle to the Summit is a breathtaking bicycle race up Pikes Peak region’s most incredible and grueling mountain- Pikes Peak- Americas Mountain. With competitive, Grand Fondo, E-bike, and fun-ride categories, this USA Cycling sanctioned event has something for everyone.

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