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Teamwork, strategy, and adventure await in Mountain Madness, Colorado’s unique team orienteering trail race! In this all-terrain challenge, teams must rely on map and compass skills to navigate the rugged wilderness and collect as many checkpoints as possible before time runs out – no GPS allowed! There’s no set course, only the raw beauty of […] 
The Elevation Everest Race is an endurance event held at Winter Park Resort in Colorado focusing on elevation gain rather than distance. The goal? Accumulate half or the full elevation of Mt. Everest. Choose to race solo or make a relay team with friends to divide the total elevation gain. Athletes race up the mountain, […] 
Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see how far you can go in 6, 12 or 24 hours? Or achieve a new furthest distance? What about setting […] 
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 […] 
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 […] 
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 […] 
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 […] 
Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit […] 
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 […] 
Welcome to the Quad Rock 50 and 25 mile trail races, an event put on by trail runners for trail runners. Taking place on the trails and hills west of Fort Collins in Lory State Park and Horsetooth Mountain Park, the Quad Rock 25/50 will take you on a tour of the Fort Collins skyline, […] Resolution Run 5K @ Edora Pool Ice Center, Fort Collins, Colorado, United States on 31 December 2025
Run out the old year, and welcome the new! Now in its 42nd 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 20:26 to earn a special prize! The race is held after sunset – we’ll […] 
Welcome to the 52nd running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the way you’ll tackle the challenging hills of Centennial Drive along the shorelines of the […] 
The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative […] 
The Donut Dash 5K is Denver’s race that ends with donuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh donuts at the finish. Our mission is to bring people together to have a fun, fit morning. 
We all know Denver is known for its world-class cultural attractions, thriving craft breweries, and red-hot music scene. That’s why we’ve combined all of those into one epic all-inclusive rock n’ run experience. Register now and SAVE 30% OFF with early bird registration for the 4th Annual Denver Rocks Run 5K/10K at City Park in […] 
Description All participants will receive chip timing, photos, Lucky Brew Socks and a great after party, complete with beverages, food and awards ceremony for top finishers. Starting and ending at Eastman Park, you’ll love views of Longs Peak as you run out and back on the Poudre River Trail. Date: Saturday, March 16, 2025 Location: […] 
Join us for a Red, White and Brew celebration like no other 5k, 10k, Half Marathon and a 12 Hour 4.167 looped “last person standing” event. Run, walk or ruck and enjoy family fun all day long! New Location at The Grainhouse at Hoedown Hill by Raindance National Golf Course, utilizing Raindance Beach and the […] 
Stroller and dog friendly! This course goes through Water Valley, starting and ending at the Pelican Lakes golf course parking lot. Receive a lite breakfast food, coffee, hot chocolate as well as one free beer in the The Banquet Room at Pelican Lakes. Prizes for Top Finishers. The Pelican Lakes Turkey Trot is back! Join […] 
Join us for four days of running excitement! Whether you’re tackling the timed events individually or teaming up for relays: 3, 6, 9, 12, 24 or 48-hour formats, or taking on a 7K Run or Ruck, there’s an event for everyone. Experience the thrill of friendly competition and the energy of a supportive community! Relax […] 
Great Western Trail Event Run or walk as we celebrate Northern Colorado’s newest trail, connecting Windsor, Severance and Eaton! Choose a 5k, 10k or half marathon – with a Great Western Trail Race finisher shirt, music and custom locally made prizes for top finishers. The Great Western Trail is a mostly flat and fast course, […] 
Like Running or Walking? Love Wine? This race is for you! Join us on Saturday, May 10, 2025 at 4:00pm for an exciting new event that features the amazing scenery and landscape of Colterris Winery! With over 75 acres of vineyards, Colterris is Colorado’s largest fully Estate Grown winery and we are proud to be […] 
Come celebrate the 12th Annual Colorado Springs Marathon on Saturday, October 4, 2025. Whether you are a seasoned runner or looking to tackle your first 5k, we have you covered with 4 events to choose from. The courses will showcase the city of Colorado Springs, taking runners past historic monuments, through beautiful parks and culminates […] 
-The race begins at 7:00am and held at Devil’s Backbone Open Space 1725 Hidden Valley Drive in Loveland. Trail conditions can be access through the website https://www.larimer.org/naturalresources/parks/devils-backbone -All runners will be able to select a hat with a random patch on it like I did last year. -The course will be marked by flour arrows. […] 
We all know Denver is known for its world-class cultural attractions, thriving craft breweries, and red-hot music scene. That’s why we’ve combined all of those into one epic all-inclusive rock n’ run experience. Join us for the 4th Annual Denver Rocks Run 5K/10K on Sept 7, 2025 at City Park in downtown Denver and enjoy […] 
Get ready for the winter season while enjoying a race with your friends at the City Park 5k! 5k finishers earn a MEDAL! November is Worldwide Pancreatic Cancer Awareness month – let’s kick off the month by running for a cause! Consider adding a donation of which 100% goes directly to Pancreatic Cancer Research RIGHT […] |
 
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