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

  • Moose Mudder

    Altitude Elementary School 27300 East Southshore Drive, Aurora, CO, United States

    Please join us for the Annual Moose Mudder! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an optional muddy obstacle course. Get your best time, run for fun, walk with a group, form a stroller brigade, or line the streets to cheer everyone […]

  • Emerge 5K

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Emerge 5k is our biggest annual fundraiser, and the funds we raise ensure that we can continue to fulfill our organizational mission of breaking the social and financial barriers to mental health care for youth. Each year, Rise Against Suicide funds thousands of therapy sessions for youth under the age of 19 who are […]

  • Celebrate Israel Walk

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

    The walk is back! Show your solidarity at JEWISHcolorado’s Celebrate Israel Walk & Festival. This year, our theme is “Hineni – We All Belong”. Celebrate Israel is Colorado’s largest festival dedicated to the people, culture, and state of Israel, bringing together Jewish people and allies from across the Centennial State for music, food, and connection. […]

  • Fairmount 5K

    Fairmount Park Golden, CO, United States

    The Fairmount 5k has been an essential fundraiser for almost 30 years at Fairmount Park. This year, following the 5k run, walk and fun run we invite you to stay and visit with your friends while enjoying some music, a pancake breakfast and dessert in the park. All students, staff, friends, family and the Fairmount […]

  • Best Buddies Friendship Walk

    Washington Park - Denver 701 S Franklin St, Denver, CO, United States

    The Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the globe to support the Best Buddies programs in schools, workplaces, and communities. You’ll be making the world more welcoming to people with IDD — one […]

  • Western Colorado Trail Running Camp

    Wine Country Inn 777 Grande River Drive, Palisade, CO, United States

    Join us for a long weekend full of trail running adventures in the colorful desert landscape of Western Colorado's wine country. Life's 2 Short Fitness is teaming up with Becoming Ultra coaches for this special co-ed trail running camp for all levels. Enjoy coached workouts/clinics, guided hikes and runs for all levels, recovery yoga, cold […]

  • Quad Rock Trail Race

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    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, […]

    $125 – $170
  • Mountain Ridge Trail Race

    Mountain Ridge Middle School 10590 Mountain Vista Ridge, Highlands Ranch, CO, United States

    Mountain Ridge takes place near Highlands Ranch primarily on the Douglas County East-West Regional Trail. This gently rolling course will keep the Heart Rate pumping while offering some of the best views in the front range. The Mountain Ridge Trail Race will once again start and finish from Mountain Ridge Middle School, and offer 100% […]

  • Valkyrie Women’s Trail Race

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

    Valkyrie Trail Race was created as a women only trail/ultra event,  featuring Colorado Spring’s, Cheyenne Mountain State Park.  The race offers amazing views of the city and a diverse eco-system. We have several different distances available, so everyone in your running group can participate! 50K/Marathon/30K/Half Marathon/8 Mile/4 Mile

  • High Line Canal Run

    deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

    The 44th Annual High Line Canal 5K & 10K race takes place along the beautiful High Line Canal Trail. Registration includes post-race pancake breakfast.

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