Event details subject to change. Please confirm all information via event website.

  • Ordinary Mortals Triathlon

    Lake Pueblo State Park 640 Pueblo Reservoir Rd, Pueblo, CO, United States

    Ordinary Mortals Triathlon is changing to a Duathlon at the beautiful Lake Pueblo State Park.  There is a big lake but it will be too cold for a swim in early May, at least for regular folks.  So we will run, bike, run - the course and distances are perfect for newbies and offer a […]

  • Mamas Day 5K

    Buena Vista Community Center 715 E Main St, Buena Vista, CO, United States

    Mamas Day 5k and Family Fun Run is located in Buena Vista, CO. The course is on paved and dirt town trails and is stroller friendly! Open to anyone wanting to celebrate Moms! Participants receive a goodie bag and trucker hat.

  • Mother’s Day Run

    Great Lawn Park 101 Yosemite St, Denver, CO, United States

    A new Race Series for Colorado with 2 races over the Weekend for both WOMEN/Moms and their families!....Saturday, MAY 10th, 5k & Family 1 mile in Denver at GREAT LAWN PARK, then on Sunday in LOUISVILLE- COMMUNITY PARK for the 5k, 10k and Family Mile Trail Races. Take your choice. DENVER- Expo opens at 8:30am, […]

    $35.00
  • Spawning 5K

    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States
  • Postponed Memorial Day Run and March

    Douglas County High School 2842 Front St, Castle Rock, CO, United States

    Colorado Veterans Project is set to host the eighth annual Memorial Day Run & March, which will raise funds and collect non-perishable food donations for local veterans experiencing homelessness. Athletes may participate in a 5K, 10K or 30K run, or choose to ruck march, where each athlete will carry a 25-pound rucksack filled with non-perishable […]

  • Air Academy Football 5K

    Red Leg Brewing Company 4630 Forge Rd, Suite B, Colorado Springs, CO, United States

    The 5k will start at red leg brewery and will be a single loop. This will not have time chips but we will have a timer at the start. The race is benefiting the Air Academy Football team for a planned game in Durango, CO.

  • Cupcake 5K

    Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United States

    Join DuMyon Martial Arts and The Farm Sports for our fun and family-friendly Cupcake 5k Run, Walk, and Roll. This fund raising event supports adaptive learning opportunities for members of our community. Be sure to visit our vendor tables and engage with the community Event t-shirt included with your registration This is a can't-miss event! […]

  • Stride for Wellness 5K

    Norris Penrose Event Center 1045 Lower Gold Camp Rd, Colorado Springs, CO, United States

    Join family and friends for a walk or run in Bear Creek Park! Proceeds from this event support StableStrides Mental Health Programs. Participants may choose a 5K or a 3K route to walk or run. We start and finish near the StableStrides’ lower barn at the Norris Penrose Center, with the route going across the […]

  • Mountain Madness Spring Survival Orienteering Race

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Mountain Madness: The Ultimate Team Orienteering Challenge! Teamwork, strategy, and adventure await in Mountain Madness—Colorado’s most exhilarating team orienteering trail race!  In this two-hour, all-terrain challenge, teams must rely on map and compass skills—no GPS allowed!—to navigate the rugged wilderness and collect as many checkpoints as possible before time runs out. There’s no set course—only […]

  • Latino Ultra Nature Adventure

    Walker Ranch - Myers Homestead 7325 Flagstaff Rd, Boulder, CO, United States

    The Annual Latino Ultra Nature Adventure (LUNA) is a culturally relevant and equity driven new kind of Ultra powering the physical and mental health that comes from the mix of athletics, awe inspiring nature, and forest bathing. LUNA promotes human-nature connections and self realization through running and hiking for communities historically excluded from exclusive outdoor sports. […]

  • 15 Homes in 5K

    Pagosa Lakes Clubhouse 230 Port Ave, Pagosa Springs, CO, United States

    Join Habitat for Humanity of Archuleta County as we celebrate the kickoff of Year 4 of our campaign to build 15 homes in 5 years! We're showcasing some of the homes we've built over the last 2 years, as the course winds its way through the neighborhood where we have built and will continue to […]

  • Vail Ultra

    GoPro Mountain Games
    Vail Village 292 E Meadow Dr, Vail, CO, United States

    Push your limits with the Vail Ultra! This 50-mile adventure takes you through the heart of the Rockies, where every step leads you through steep ascents, awe-inspiring views, and ever-shifting terrain. Whether you’re an experienced runner or just love the challenge of the outdoors, this race is about more than just crossing the finish line. […]

  • Louise Hammond Memorial Beardance Run

    Towaoc Recreation Center 495 Sunset Blvd, Towaoc, CO, United States

    First 20 to register (in each category) will get a t-shirt. Overall Prizes for M/F - 1st, 2nd and 3rd place 10k and Half Marathon: out-and-back, the first mile is a gradual incline on pavement, then onto an unmaintained dirt road. There will be water stations along the way. 5k: Starts on pavement for the […]

  • PPRR Nielson Challenge

    PPRR Nielson Challenge
    North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

    Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

  • Footsteps for Families

    Saint Andrew United Methodist Church 9203 S University Blvd, Highlands Ranch, CO, United States

    Get Ready to Run, Walk or Scoot, and Support: Family Fun Event Returns for its 3rd Year! Grab your gear and gather your loved ones – it's time for the 3rd Annual Walk/Run to support Safe Families for Children!  This event is now titled Footsteps for Families.  This year promises to be bigger and better, offering […]

  • Levee Run 5K

    Pillars Park 560 Pearl St, Pueblo, CO, United States

    Make a Difference (MAD) Run and The Downtown Association proudly presents another great community event: The Pueblo Levee Walk/Run 5K. Event Details: Starting Point: Pillar Park Start Time: 8:00 AM Route: Scenic path alongside the Arkansas River Registration Bonus: Free T-Shirt for participants who register at least one week in advance Transportation: Shuttle service available […]

  • Sillassen Half Marathon

    Arthur County High School 111 Elm St, Arthur, NE, United States

    The half marathon is a point to point race in the middle of the Nebraska Sandhills! Runners are bused to the starting line, and enjoy a beautiful run in to the village of Arthur. The course is a single lane blacktop road, consisting of rolling hills (along with a couple of substantial hills) winding through […]

  • Too Hot to Trot 5K

    Luv-a-Dad 25573 County Road 45, Greeley, CO, United States

    The race starts and ends at the founder of Luv-a-Dad's residence and routes through beautiful farmland.  Part of the course runs along an irrigation ditch with the sound of soothing water flowing. Be prepared to run on dirt and asphalt roads.  We will have one water station close to the middle of the race course.  […]

  • Father Hood 5K

    John Venezia Community Park 3555 Briargate Pkwy, Colorado Springs, CO, United States

    Celebrate Father Hood

  • Footsteps for Families 5K

    Boardwalk Park 100 N. 5th Street, Windsor, CO, United States

    Join us for a heartwarming and inspiring race event that celebrates the power of community and compassion! Safe Families for Children is a remarkable Global Movement dedicated to keeping children safe and families together. Picture this: a vibrant atmosphere filled with families, friends, and runners of all ages, united by a common goal – to […]

  • Rayden’s Athletic Friends 5K

    Sergeant Blake A. Harris Skateboard Park 3430 Skateboard Lane, Pueblo, CO, United States

    Join us for a pet-friendly 5K Run/Walk where your four-legged friends are welcome! (All dogs must be leashed throughout the event.) Thanks to our generous sponsors who have helped offset the costs of t-shirts and event organization, your participation fee can go directly where it's needed most - supporting PAWS through donations of food and […]

  • 5K To Fight Histio

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

    Our time in NYC has been fun, but it's time to move West and leave our mark! Histio Family...Join us in Colorado Springs, CO. Home of Pike's Peak America's Mountain, Garden of the Gods Park, Olympic City USA, and the United States Air Force Academy. Together, we will run/walk to raise funds for ground-breaking research, […]

    $35 – $45
  • Healing Warriors 5K

    Spring Canyon Park 3156 S Overland Trail, Fort Collins, CO, United States

    Veteran Suicide can TAKE A HIKE! Run, jog, walk, hike, come out and have fun supporting Veteran families and their access to NO COST non-narcotic care.   This professionally timed event is perfect for serious runners who may be looking to improve a time, or just have a fun time running, jogging or walking to support […]

  • Sunny Stride 5K

    Westminster Westin Hotel 10600 Westminster Blvd, Westminster, CO, United States

    Join us for a Fun Run (or Stroll) at the crack of dawn where you will enjoy the trail and the Colorado mountain vistas, not to mention your colleagues and this vibrant community solar community!

  • Blue Moon Trail Series II

    Blue Moon Trail Series
    Pinon Valley Park 5585 Mule Deer Dr, Colorado Springs, CO, United States

    The Blue Moon Trail Run is a fun and challenging local race provided by the City of Colorado Springs Parks, Recreation and Cultural Services Department. The 3-time run series is offered on the fourth Friday evenings of May (5K), June (5K and 8K), and July (5K and 10K). In addition to the race series, a Reverse Biathlon […]

  • Midsummers Night Run

    Winter Park Resort 85 Parsenn Rd, Winter Park, CO, United States

    Join us for an evening at Winter Park by participating in our Second Annual Midsummer Night's 10k!  This run will begin and end at the base of Winter Park Resort with an elevation gain of approximately 570 ft.  Enjoy a combination of gravel roads and trails on this run. Winter Park Peak to Peak Summer […]

  • NoCo All-Comers Track Meet #2

    NoCo All-Comers Track Meet
    Loveland High School 920 West 29th St., Loveland, CO, United States

    This is the second in a series of three track meets in Northern Colorado during the summer of 2025. The meet will take place at Loveland High School and features a variety of track events including: 8:00 am: Elite Men's 1 Mile Run 8:00 am: Shot Put 8:00 am: Discus 8:20 am: 1 Mile Run 8:40 am: […]

  • GiGiFIT Acceptance Challenge 5K

    Belmar Park 801 S Yarrow St, Lakewood, CO, United States

    Get your glow sticks ready for an incredible evening of inclusion, exercise and fun at the GiGi's Playhouse 5K GLOW Run on May 21st at Addenbrooke Park in Lakewood.

    $40
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