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!
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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… Leadville Big Friggin Loop, Ring the Peak, Banana Belt, rumors of a Lory State Park series
Laramie Mountain Bike Series is officially dead 😦
12 Hours of Penitence is not happening in 2021
No NBB short track in Spring 2021
(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 8/11/2021
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)Cancelled- 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 19, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Minturn Mini – Minturn, CO (Kids Only XC)
May 22, 2021 – Battle the Bear – Lakewood, CO (XC/Endurance)Cancelled- May 22, 2021 – Grand Junction Epic – Grand Junction, CO (Endurance)
- May 24, 2021 – Fat Fish Racing: Skinny Cow Jam – Casper, WY (XC)
- May 26, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Eagle Ranch Classic – Eagle, CO (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 2, 2021 – Town Challenge MTB Series – Steamboat Springs, 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 16, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Davos Dash – Vail, CO (XC)
- June 16, 2021 – Town Challenge MTB Series – Steamboat Springs, CO (XC)
- June 17-19, 2021 – Grand Gear Grind (G3) MTB Stage Race – Winter Park, CO (Endurance)
- June 19, 2021- The Hundo – Bailey, CO (Endurance)
- June 19, 2021 – Hidden Hoot Mountain Bike Race – Sheridan, WY (XC)
- 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 22, 2021 – Gem City Mountain Bike Series – Laramie, WY (XC)
- 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)Cancelled- 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)
- June 30, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Hammer in the Hay – Wolcott, CO (XC)
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 6, 2021 – Gem City Mountain Bike Series – Laramie, WY (XC)
- July 7, 2021 – Rattler Series – Lakewood, CO (XC)
- July 7, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: TBD – TBD, 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 14, 2021 – Town Challenge MTB Series – Steamboat Springs, CO (XC)
- July 17, 2021 – Durango Dirty Century – Durango, CO (Endurance)
- July 19, 2021 – Fat Fish Racing: Muddy Mountain Mayhem – Casper, WY (XC)
- July 20, 2021 – Gem City Mountain Bike Series – Laramie, WY (XC)
- July 21, 2021 – Highlands Ranch MTB Series – Highlands Ranch, CO (XC)
- July 21, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Berry Creek Bash – Edwards, 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 27, 2021 – Colorado Police & Fire Games Mountain Bike Race – Canon City, CO (XC)
- 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)Cancelled- 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 11, 2021 – Town Challenge MTB Series – Steamboat Springs, CO (XC)
- August 14, 2021 – Leadville Trail 100 – Leadville, CO (Endurance)
- August 14, 2021 – Big Mountain Enduro: Winter Park – Winter Park, CO (Enduro)
- August 14, 2021 – Colorado Trail Classic – Molas Pass, CO (Endurance)
- August 15-20, 2021 – Breck Epic – Breckenridge, CO (Endurance)
- August 16, 2021 – Fat Fish Racing: Maze Craze – Casper, WY (XC)
- August 18, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Camp Hale Hup – Camp Hale, CO (XC)
- August 18, 2021 – Town Challenge MTB Series – Steamboat Springs, CO (XC)
- August 19-22, 2021 – Jurassic Classic Mountain Bike Festival – Lander, WY
- August 21, 2021 – Colorado State MTB Championships – Bailey, CO (USAC XC)
- August 25, 2021 – Summit Mountain Challenge Race Series: Peaks Trail Time Trial – Frisco, CO (XC)
- August 27-28, 2021 – Vapor Trail 125 – Salida, CO (Endurance)
- 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 – Frisco, CO & Leadville, CO (High School XC)
- August 28-29, 2021 – Revolution Enduro – Snowmass, CO (Enduro)
- August 28-29, 2021 – Western Pagan Pedal – Crested Butte, CO (Collegiate XC/DH)
- August 30, 2021 – Fat Fish Racing: Bike Bash – Casper, WY (XC)
September 2021
- September 1, 2021 – VRD Bloch & Chapleau Town Mountain Bike Race Series: Beaver Creek Blast – Beaver Creek CO (XC)
- September 3-5, 2021 – Trestle Gravity Series – Winter Park, CO (DH)
- September 4-5, 2021 – Oredigger Challenge – Granby, CO (Collegiate XC/DH)
- September 5, 2021 – Grand Traverse – Aspen, CO (Endurance)
- September 6, 2021 – King of the Grommets – Winter Park, CO (Junior DH)
- September 7, 2021 – New Belgium Short Track – Fort Collins, CO (XC)
- September 10-12, 2021 – CMU MTB Rumble – Mesa, CO (Collegiate DH/XC)
- September 11-12, 2021 – Colorado High School MTB League Race #2– Steamboat, CO & Nathrop, CO (High School XC)
- September 12, 2021 – Fall Classic – Breckenridge, CO (XC)
- September 14, 2021 – New Belgium Short Track – Fort Collins, CO (XC)
- September 18, 2021 – Banana Belt Mountain Bike Race – Salida, CO (XC)
- 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 21, 2021 – New Belgium Short Track – Fort Collins, CO (XC)
- September 23-26, 2021 – Pikes Peak Apex – Colorado Springs, CO (XC Stage Race)
- September 25-26, 2021 – Colorado High School MTB League Race #3– Eagle, CO & Snowmass, CO (High School XC)
- September 28, 2021 – New Belgium Short Track – Fort Collins, CO (XC)
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– Granby, CO & Eagle, CO (High School XC)
- October 14-17, 2021 – USA Cycling Collegiate Mountain Bike National Championships – Durango, CO (XC/DH)
- October 16, 2021 – Royal 50 – Cañon City, CO (Endurance)
- October 23-24, 2021 – Colorado High School MTB League State Championships – Durango, CO (High School XC)
no date yet, but when it comes up the Laramie Roubaix (Gravel Grinder – ish) could be added. http://www.laramiebikenet.org/laramie-roubaix.html
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Awesome, I’ll definitely add it when it comes up!
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Steamboat has its Town Series info online at: http://www.townchallenge.com/
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Thanks! I’ll get those added in!
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This is the registration page for the WYOCITY American Mountain Bike Challenge in Casper. http://www.usacycling.org/events/index.php?event=1127&year=2015
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Thanks!
Just curious, is there any reason why there’s not a women’s pro class? I have a friend who was thinking of coming with me and racing, but she holds a USAC pro license so it looks like there wouldn’t be a category she could do…
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Thank you, looks like the date is set for Ring The Peak, Sept. 3rd. And Banana Belt in Salida Sept. 17th.
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Thank you! I’ll get those updated!
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Great list Heidi! How about the Epic series in WP? I see that you had it listed in 2015…
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Thank you! Last time I checked there was no 2016 dates available. Many of the smaller series don’t have their dates this early in the year. I go through every few weeks and check for updates!
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Oskar Blues Old Man Winter – Lyons, CO – 50k/100k loops. 2/7/16 http://oldmanwinterrally.com
Thanks for compiling such a great list!
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This is great-Thanks so much for putting it together!
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thanks very helpful
the golden giddy up is no on sunday 18
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As one of the lesser knows listed above and a rider in general, THANK YOU for the time on your lists! It really does mean ALOT!
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Saturday December 3rd – Breckenridge holding the “Fat Bike Open” race. go here: http://www.mavsports.com/events/?event-categories=fat-bike-open
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Heidi, thanks for all the work. I’ve used your list to update 1st City Team regarding MTB races. I’ve created a worksheet with event registration deadlines and have also created an ical calendar. Let me know if you would like to collaborate/share lists. Cheers.
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You’re welcome! And definitely we can collaborate! 🙂
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A good race to add to your list is the Dakota 5-0, very popular with the Fort Collins crowd. http://www.dakotafiveo.com Sept 3, 2017.
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I am sticking to just races located in Wyoming or Colorado. I thought about expanding out, but then it would be just too much to keep track of.
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Thanks for making this available! great work.
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I love this, thank you so much. I’ve decided to do my first enduro race this year (aaahh scary and exciting). It’s exhausting looking for enduro races in Colorado so I made my own list!
Check it out here! http://www.mountainbikeevent.com/2017-colorado-enduro-race-list/
I will like to your site for all other races!
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Awesome! I think I’ll just post your link up top to direct enduro people your way 🙂 It’s so hard to keep on top of all these races!
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Sweet!
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2017 Mountains Revenge will be under the full moon again August 5th-6th. And it will be based on Main St. Montezuma just like the original! Thanks for all the calendar work Heidi!
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Thanks! I got it added to the calendar 🙂
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Thanks for making this list Heidi!!! You Rock!
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Thanks for making this list Heidi! You Rock!
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This is awesome… thank you!
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HI Heidi, 2017 Steamboat town series dates are up. Come up and try our local races!
https://www.townchallenge.com/info-schedule
Thanks for this schedule it’s my go to for weekend planning.
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Awesome, thanks! I had just checked the other night, and they didn’t have the dates, so must’ve just missed it!
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http://summer.thegrandtraverse.org/
Mountain Bike only option
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Thanks, got it added! 🙂
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Thanks for the list Heidi! Could you please add the Escalante Days Dolores Mountain Bike Race? The 19th Annual race is on Saturday, August 12th. 4 distances on the Boggy Draw trail system: 50mile, 33mile, 18mile, 13mile. Website is http://www.doloresrace.com Thanks!
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No problem, got it added! Thanks for letting me know about it!
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We’ve opened registration for the Monarch Crest Crank in Salida on Sept. 17, 2017 (www.monarchcrestcrank.com). Thanks for having this list!
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Woohoo, got it added! I’m thinking I’m going to come down for the weekend for this actually!
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Thanks for putting this together.. indispensable when planning out the race season. You might want to add the power-of-four race at Aspen
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Heidi, I’m starting to see some 2018 dates for races. Are you going to put out a 2018 list? I really appreciate your hard work. Thank you.
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Hi! I am unsure if I’ll go through all the work again for 2018, as I’m not racing very much. But maybe! 🙂
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We have a sick XC course Idea in the colorado springs / Monument area. Do you have any desire to have a race near springs?
keith at kvest@frontiercharter.org
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Hi! I have done a few races down that way. I am unsure how much I’ll be racing in 2018, but always will entertain the thought of new races in new places!
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First I want to thanks a lot to this guy how help to make this awesome list. This is really helpful for all.
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Hello Heidi!! This list is great!! Will you be making a 2018 list as well? Thanks again!!
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The GJ Off Road is also a great event.
https://epicrides.com/events/grand-junction-off-road/event-guide/
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Bike MS: Wyoming’s Bighorn Country Classic. August 10-11, 2019
http://Www.bikems.org
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Thanks again for this Heidi! Best source I’ve found on the interwebz.
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You’re welcome!
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Thank you
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New Castle Dirty Dozen. Cross country style race in New Castle, Colorado. We are offering 3 formats, a 1 lap 10 mile race, a 2 lap 20 mile race and a 4 mile youth race. More information can be found at http://www.newcastletrails.com, at @newcastletrailscolorado and registration opens on February 15 at https://ridesandreggae.eventbrite.com
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Awesome! I will get this added to the calendar!
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New bikepacking race in Steamboat. August 2, 3, and 4th. Unsupported 200 mile. The summer Bear.
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Also Escape from Colorado bikepacking race. May 4th in Fairplay.
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Here is a rad later season gravel race, the WYO 131
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Royal 50 / Gorgeous 25 MTB Races
http://www.royal50.com
Saturday and Sunday, August 31-September 1
Royal Gorge Park Trails, Cañon City, CO
Start / Finish fest: Royal Gorge Ranch & Resort (trailside)
50-mile and 25-mile courses. BRAND NEW singletrack, amazing views of the Royal Gorge!
Thank you for adding! Proceeds from this event benefit local trail construction and maintenance.
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Hahahaha I didn’t even see your comment when I posted about the Royal!
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Check out this new race in Canon City! It was my first race in the fall, and the first year they did it. There’s a 20 and a 50-mile
http://www.royal50.com/
Thanks for compiling this list!
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Thanks for this list! Good job!
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Thank you!
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Hello, please add the Ride&Revel! charity bike event on July 20 to your list. The ride begins in Greeley and multiple route options are available. Complete details may be found at https://rideandrevel.com/. Thank you!
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Thanks for the great list. Just FYI – the RMRS races on 6/28-30 & 8/9-11 are cancelled.
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Thanks for the heads up, I’ll make a note of it!
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Great list…Thank you! Hoping to see similar lists next year and beyond…
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Thanks, Chris! I will definitely keep doing the list in the foreseeable future, and continue to try to expand to downhill and enduro MTB races as well.
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Hello – This list is fantastic. Thank you so much. One recent change to a race listed – the Grand Junction Off Road. Due to a conflict, the date is now May 29-31 for 2020. Thanks, and congrats a great season!
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Thanks! I’ll will get that date changed 🙂
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The New Castle Dirty Dozen is happening again on August 8, 2020. Website is newcastletrails.com and registration is at https://ridesandreggae2020.eventbrite.com. For 2020 we are offering 1 lap, 2 lap and 3 lap formats. Thanks for sharing.
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Thanks! I will get it added.
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You’re missing the Steamboat Stinger. Great list! Very helpful.
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Thank you for pointing that out! No idea how I missed that one on the 2020 list!
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Laramie Range Epic website is https://www.laramierangeepic.com/
The old one listed looks like a creepy spammer site.
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Thank you! I had forgotten to update it from the old Laramie Enduro site. Too bad they didn’t keep the domain and just redirect it, because that race will be known as the Laramie Enduro to so many of us permanently!
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You should definitely add the Drift (13/28/100) fat bike race. http://www.thedrift100.com/100-mile-course/
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Thanks! Got it added!
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Please list the 12 Hours of Penitence Endurance MTB Race for Saturday, September 19, 2020 on the schedule. Penitente Canyon, San Luis Valley, CO. Great course, food vendors, micro-brew vendors, live band! Lot’s of fun. Thanks!
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Please add The 12 Hours of Penitence Endurance MTB Race to the schedule on Saturday, September 19, 2020. Penitente Canyon, San Luis Valley, CO. Great course, food vendors, micro-brews, live band! Lots of fun! Thanks!
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Thank you, I got it added!
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