Father’s Day Classic

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

It's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! There is a 5K and 10K. The Fun Run is an un-timed 1 mile out and back run/walk and the MANLY MILE is open to men and is a TIMED race!

Father’s Day 5K

The Shops at Foothills 215 E Foothills Pkwy, Fort Collins, CO, United States

Celebrating All The Dads! The Annual Father’s Day 5k is a favorite local race of the summer! Come out and celebrate all the Dads in your life with a family friendly 5k! Run/walk with your Dad, run for your Dad, run as a Dad, or run in memory of your Dad.

Boulder Stroke & Stride IV

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

The Boulder Stroke & Stride enters its 23rd season in 2024, and offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam on 8 Thursday evenings (plus one Wednesday evening) throughout the summer. Many participants make their open-water […]

BRR Summer Track Series #2

Potts Field 4001 Discovery Drive, Boulder, CO, United States

Join us for The Boulder Road Runners All-Comers Summer Track & Field series! We are back at CU Pott’s Field on a brand new track!! Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment. We host multiple […]

$10 – $15

Colorado Coyotes One Mile

Heritage High School 1401 W Geddes Ave, Littleton, CO, United States

The Colorado Coyotes are bringing the mile back! How fast can you run a mile? Find out on June 30th at Heritage High School (Littleton, Colorado). This year we are moving the race to the track (1609 Meters), where the race will be professionally FAT (electronic) timed, and results will also be posted to Colorado […]

Ring the Springs Trail Races

Rock Ledge Ranch Garden of the Gods Park 3202 Chambers Way, Colorado Springs, CO, United States

Join us for the only 100-miler in Colorado Springs! Ring the Springs is an epic journey with strenuous mountain climbing AND a city-wide tour through the best parks and open spaces Colorado Springs has to offer. Don't be fooled--the steep vert in the first half tops out on Mount Rosa, but the second half still […]

Bears Ears Ultra

Forest Rd. 5419 Forest Rd. 5419, Monticello, UT, United States

Introducing Bears Ears Ultra! A 50 mile, 50K, 30K event hosted in the quiet Abajo Mountains of Monticello, Utah.  The course treats runners to views overlooking Canyonlands National Park and the Bears Ears National Monument. You can even catch views of Monument Valley and the Bears Ears Buttes! Sunrise over Canyonlands National Park will greet […]

Slacker Half Marathon

Strousse Park - Georgetown 6th & Rose St, Georgetown, CO, United States

Hey Beautiful Slackers! The 2024 Slacker Races will be held on June 22 Registration Opens at 12:01am on 1/1/2024 Get ready for an epic adventure at the 2024 Slacker Half Marathon and 4 Mile! Seize the chance to earn your bragging rights as a true Slacker! Embark on this exhilarating journey starting at the base […]

$35

Unicorn 5K

Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

Ready to get off the sofa and gallop around Thornton with some friends?  Yeah, you are!  Come frolic with us at the Unicorn Runner 5k in Thornton to kick off your summer!  You'll earn a sweet tee shirt and a flashy unicorn finisher medal! It's a 5k distance for all, and whether you walk, trot, […]

Red, White and Brew Run

Raindance National Golf Course 1781 Raindance National Drive, Windsor, CO, United States

Walk, run or ruck, a 5k, 10k, Half Marathon or 12 Hour Last Man Standing Race to celebrate the Red, White and Brew in Windsor, CO! Starting and ending at the new Hoedown Hill in Water Valley, this race has fun for the whole family! Live music, food, drinks, bouncy houses, face painting and more! […]

Pride 5K

Civic Center Park 101 14th Avenue, Denver, CO, United States

The Denver PRIDE 5K enables supporters of The Center on Colfax to raise funds in support of our mission. We provide critically important programs and services to Colorado’s LGBTQ community. 100% of each dollar raised by individual fundraisers goes directly to support our community members--including our youth center, health services, and social support groups. Join the race today!

Elk Meadow Trail Race

Buchanan Park Recreation Center 32003 Ellingwood Trail, Evergreen, CO, United States

This 5K/10K race leads runners throughout the rolling hills of Elk Meadow Open Space Park. Runners will start on Pioneer trail and head clockwise around the meadow. The first stretch is a steady downhill along highway 74. From there, runners will weave their way up to where they will run through the trees along the […]

Summer Solstice Trail Run

Beaver Creek Chophouse 15 W Thomas Place, Beaver Creek, CO, United States

Coinciding with the longest day of the year, the Dynafit Summer Solstice trail run is arguably the most enjoyable race in the Vail Trail Running Series. Offering a 5K and 10K, the race begins and ends in the lawn in front of the Beaver Creek Chophouse adjacent to the Centennial lift in the heart of […]

FH Beerworks 5K

FH Beerworks 2490 N Powers Frontage Rd, Colorado Springs, CO, United States

Join us for The FH Beerworks 5k on June 22, 2024, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Colorado Springs. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft brew at the finish line. Start windows will be […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.