Event details subject to change. Please confirm all information via event website.
Just Peachy 5K
Palisade Riverbend Park 451 Pendleton St., Palisade, CO, United StatesJoin the Grand Junction Sports Commission for the Just Peachy 5K presented by Grand Valley Primary Care Palisade (Community Hospital) on Saturday, August 19th. This fun 5K is great for families and beginners, but also a very fast course for those looking to PR.
Dog Days of Summer 5K
Dawson Park 1899 Harvard St, Longmont, CO, United StatesCome join us for a race around the entirety of beautiful Lake McIntosh! This 3.5 mile race is a half paved/half dirt course surrounded by wonderful mountain views, vast farmlands, and beautiful aquatic wildlife! Gather at Dawson Neighborhood park near the pirate ship playground where you will find an assortment of vendors, music, games, and […]
Strides For Change
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesJoin us on August 9th, 2025 at Sloan’s Lake for Strides for Change – a 5K for Youth Mental Health, presented by Resolute Counseling Center. This community-centered event is more than a race — it’s a movement to support and uplift the mental health of our youth. Hosted by Resolute Counseling Center, whose mission is to remove […]
Severance Glow 5K
Severance Community Park 100 Waterfowl Way, Severance, CO, United StatesWelcome to Severance's first Severance Days 5k presented by Severance Middle School the Town of Severance with proceeds benefitting Severance Middle School. Held at the Severance Community Park. Severance Days 5K looks to tie the bow on an amazing weekend for an amazing community. Additional donations will go to Yellow Ribbon, a non-profit, for suicide […]
Cheesman Park Circuit
Cheesman Park 1601 Race St., Denver, CO, United StatesDenver Athletics brings you the Denver Park Circuit Series- Three races at Denver's iconic city parks with the same format: One Lap As Fast As You Can Go! Spring- The City Park Circuit Summer- The Cheesman Park Circuit Fall- The Wash Park Circuit Become a Denver Athletics Road Racing Member ($100) or Full Member ($175) and get free entry […]
Leadville Trail 10K
Leadville 124 E. Sixth Street, Leadville, CO, United StatesThis out-and-back course uses the first and last 3.1 miles of the LT100 Run course, featuring paved and dirt roads. Held the weekend of the historic Leadville Trail 100 MTB, the Climax Molybdenum Leadville 10K Run is the shortest run in the series, but covers the first and last 3.1 miles of the infamous Leadville […]
Summit Trail Running Series V
Carter Park 500 South High Street, Breckenridge, CO, United StatesExplore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races in and around Summit County, May-July. Each race features a short and long course, and all races are open to runners of all abilities ages […]
Eldorado Springs Run for the Cure
Eldorado Canyon State Park 294 Artesian Drive, Eldorado Springs, CO, United StatesThe Colorado Cancer Foundation returns to Eldorado Springs for its Classic 44th edition of the Eldorado Springs Run for the Cure 4 Mile on August 10th.
San Juan Softie 100
Durango Nordic Center 49786 Hwy 550 N, Durango, CO, United StatesThe softest 100 miler in the San Juans This 100 mile ultra marathon starts and finishes just north of Durango, Colorado. The race will take you through some of the most stunning and rugged terrain with breathtaking views of the Colorado Trail, Engineer Mountain, Wilson group of 14ers, Lizard Head, and many other incredible peaks […]
Leadville Trail 100
Leadville 124 E. Sixth Street, Leadville, CO, United StatesThe legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One hundred miles of extreme Colorado Rockies terrain — from elevations of 9,200 to 12,600 feet. You will give the mountain respect, and earn respect from […]
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