Go Half Crazy- Denver @ Carpenter Park, Thorton, CO, United States on 06 August 2022

Feeling Half Crazy? Love the 80’s? This race is for you!

Pull out your leg warmers and Walkman’s and join us for this bodacious, Bodies Half-Marathon! Whether you are looking to run, walk or just enjoy the race SWAG, this Half Marathon is a sure thing for a gnarly time and a far-out experience! Lace […]

Go Half Crazy- Colorado Springs @ America the Beautiful Park, Colorado Springs, CO, United States on 07 August 2022

Feeling Half Crazy? Love the 80’s? This race is for you!

Pull out your leg warmers and Walkman’s and join us for this bodacious, Bodies Half-Marathon! Whether you are looking to run, walk or just enjoy the race SWAG, this Half Marathon is a sure thing for a gnarly time and a far-out experience! Lace […]

2nd Annual July 4th ROCK-IT RUN @ Douglas County Events Center, 500 Fairgrounds Road, Castle Rock, Colorado, United States on 04 July 2022

A NEW WAY TO START YOUR JULY 4th HOLIDAY Join us for the 2nd Annual ROCK-IT RUN 5k, Half Marathon (with relay option), FREE 1k Little Rock-It RUN (8 years and under), and FREE Let Freedom ROCK Concert. Kick-start your July 4th with a new tradition and feel good about Changing Lives. We’ve got the […]

Turkey Springs Showdown @ Turkey Springs Guard Station, Pagosa Springs, CO, United States on 13 August 2022

The Turkey Springs Showdown is a 10k and a Half Marathon trail race that starts and finishes at the Turkey Springs Guard Station (FS Road 629.B). The race course follows the single track of the Gopher trail, Aspen Run trail, Newt Jack trail, Catamount Trail, and Park Avenue Trail. Both courses are very runnable with […]

Fox on the Run Trail Races @ Forest Service Road 629.B, Pagosa Springs, CO, United States on 16 July 2022

Race Description: The Fox on the Run is a 10 mile and 5 mile trail race that starts and finishes near the Turkey Springs Guard Station. The 5 mile race course follows the single track loop of the Turkey Springs Trail (301) around the Turkey Springs Guard Station. The 10 mile race course follows the […]

Colorado Springs Marathon @ , Colorado Springs, CO, United States on 01 October 2022

Come celebrate the 8th annual Colorado Springs Marathon presented by Centura Health on Saturday, October 1, 2022. Whether you are a seasoned runner or looking to tackle your first 5k, we have you covered with 4 events to choose from. Beginning and ending on Vermijo at the Colorado Springs Pioneers Museum, the full marathon will […]

Colorado Springs Spartan Event Weekend @ Ft. Carson, Colorado, United States on 11 June 2022

Welcome to Fort Carson Army Base. This course is as challenging and inspiring as it gets — you’re at high-elevation and you’re surrounded by Spartans on a military base. This is an experience you’ll be sure to appreciate long after you conquer the course. You’ll be tested against tough obstacles and of course, you’ll do […]

Red Feather Trail Jamboree @ Ben Delatour Scout Ranch, Red Feather Lakes, Colorado, United States on 17 September 2022

Come enjoy the clean air and wild spaces of the Red Feather Lakes region in Northern Colorado! Take advantage of the opportunity to explore some new trails on the private land of the Ben Delatour Scout Camp and surrounding national forest. These courses are especially designed to be beginner (or PR) friendly with buttery smooth […]

Crazy Legs 10k+ Trail Run @ Off of US 34 (Devil’s Backbone Open Space), Loveland, CO, United States on 05 June 2022

Welcome to the 14th Annual Crazy Legs 10k Trail Run I am limited to amount runners per my permit so once the limited is reached a waitlist will begin. Entry fee allows you entry into the post race celebration where the award ceremony, raffle, light refreshments will be offered. You also receive a Trucker Hat […]

Staunton Rocks! Marathon & Half @ Staunton State Park, Conifer, Colorado, United States on 27 August 2022

Welcome to the Staunton Rocks! Marathon & Half, an event put on by trail runners for trail runners.

Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations. The flowing trails […]

Lory Summer Trail Series @ Lory State Park, Fort Collins, Colorado, United States on 09 August 2022

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]

Long View Marathon & Half @ Fairgrounds Park, Loveland, Colorado, United States on 01 October 2022

Showcasing a unique city-to-city trail connection, The Long View Marathon and Half Marathon runs from Fort Collins to Loveland. Together, Gnar Runners and Sweetheart City Racing bring a unique collaboration to Colorado’s running scene in this one-of-a-kind race event.

Miles for Migraine 2-mile Walk, 5K Run and Relax Denver Event @ Centennial Park, Englewood, CO, United States on 30 July 2022

Miles for Migraine will host its 3rd annual 2-mile Walk (or Intentional Movement of your choice), 5K Run and Relax Denver Event on Saturday July 30th at Centennial Park. This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. Dress up in your best purple flair for a chance at a fun […]

Black Squirrel Half Marathon @ Lory State Park, Fort Collins, Colorado, United States on 10 September 2022

The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO.

The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; and […]

Never Summer 100k/60k @ State Forest State Park, Gould, Colorado, United States on 29 July 2022

The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass.

The first 20 miles of each race will […]

Blue Sky Marathon @ Blue Sky Trailhead, Fort Collins, Colorado, United States on 15 October 2022

Welcome to the Blue Sky Marathon, Fort Collins’ original and only trail marathon.

Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the course takes you on a north-south tour of the easternmost hogbacks of Northern Colorado’s mighty Front Range. With 3,500 feet of elevation gain and an equal […]

Resolution Run 5K @ Edora Pool Ice Center, Fort Collins, Colorado, United States on 31 December 2022

Run out the old year, and welcome the new! Now in its 38th year, the Resolution Run is a family-friendly, neighborhood streets 5K starting & finishing at the Edora Pool Ice Center. Kids, strollers, dogs & walkers welcome! Finish in under 20:22 to earn a special prize! The race is held after sunset – we’ll […]

REVEL Rockies @ Maple St & 13th St, Golden, CO, United States on 04 June 2022

This incredibly fast and remarkably beautiful downhill road race takes runners from the forests and canyons of the Rocky Mountains to the foothills of Denver, Colorado. Featuring a perfectly smooth downhill slope and spectacular scenery, this race will be sure to help you set your PR and finally hit that Boston Qualifying time. This event […]

24 Hours of Palmer Lake @ 199 County Line Rd, Palmer Lake, CO, United States on 08 October 2022

How many laps can you Run, Walk, or Crawl around the Palmer Lake Loop in 24 Hours? This Tiny Little Course (Loop) sits on top of the Palmer Divide at an Elevation of 7,240 Feet and measures a mighty 0.82 Miles in Distance.