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  • Virginia Canyon is for Lovers

    Courtney Ryley Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

    This Valentine's Day, grab your favorite human and join us for a partner race celebrating love in all its forms: true romance, bromance, or simply a love for running! The […]

  • CMRA Forty Furlongs

    Road Runner Sports Westminster 10436 Town Center Drive, Westminster, CO, United States

    This is a flat out-and-back 5 mile course on Westminster's trail system (nearly all concrete path). Start and finish will be at Sensory Park. The route starts outbound on Walnut Creek […]

  • Love ’em or Leave ’em 5K/10K

    Parker Recreation Run Series
    Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United States

    Will you embrace the holiday full of heart or run from Cupid? Either way, you're going to LOVE this fun and festive workout with family and friends...oh, and those pancakes! […]

  • Heart Throb 5K

    Memorial Park - Arvada 8001 West 59th Ave, Arvada, CO, United States

    Are you a Heart Throb? Grab your best running buddy and come on out to Johnny Roberts Memorial Park on the Saturday before Valentines Day. Celebrate the ability to get […]

  • Stories Trail Runs

    Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

    The Stories Trail Runs is a unique winter trail running adventure taking place in Colorado Springs, CO against the breathtaking backdrop of Cheyenne Mountain, and “America’s Mountain” Pike’s Peak, with […]

  • Turquoise Trail Ultra

    Gutierrez Canyon Open Space 12216 NM-14, Cedar Crest, NM, United States

    -Start/Finish line will be at the Gutierrez Canyon Open Space parking lot, located off Hwy 14. 12216 NM-14, Cedar Crest, NM 87008 -Over flow parking will be at Mountain Christian […]

  • Big Brrrrito! 5 Mile

    Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

    We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

  • Chilly Cheeks Winter Duathlon

    Chilly Cheeks Winter Duathlon Series
    Cherry Creek State Park 4201 S Parker Rd, Aurora, CO, United States

    The Chilly Cheeks Duathlon Series is now a stand-alone event held in late February. The 63rd Chilly Cheeks Duathlon will be held in the traditional format of Run-Bike-Run. Both runs […]

  • Brewery Running Series Kickoff

    Barquentine Brewing Company 5505 West 20th Avenue, Edgewater, CO, United States

    Join us for our kickoff party, with special deals on all 2026 events, merch/beer discounts, an optional 5k route, giveaways, and more! We are kicking off the 2026 season of […]

  • All-Out Mardi Crawl

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2020 Best of the Best Ralston Creek Trail through Arvada's open spaces and stunning […]

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