Join us for a great day of running through the spectacular fall colors in the heart of the Elk Mountain Range. Run, walk, or hike the 25k loop around Lead King Basin. Zip past the famous Crystal Mill and the Town of Crystal. After the event and enjoy a delicious homemade boxed lunch including Slow […]

We are excited to be together for the 10th annual Nun Run Charity Race that supports the Denver Sisters of Life. Race day starts in deKoevend park with a Half-Marathon, followed by a 5k and 5k buggy run (parents with their little ones in strollers) all along the beautiful High Line Canal, followed by a […]

Join us for our first Red Rocks Country Club Front 9 Fun Run 5k! Enjoy beautiful views of Red Rocks Amphitheater as you wind your way through the front 9 holes of our stunning golf course. Walkers are welcome!!! Race Timing for all 5K competitors with awards for the TOP 3 overall male and female […]

The Pony Express is a 16 mile trail run around Rampart Reservoir. Come out and enjoy the single track, running creeks, wildlife, and Colorado's autumn glory.

Raise awareness for ovarian cancer and raise funds to support Coloradans with 7 different types of gynecologic cancers: Ovarian, fallopian tube, uterine/endometrial, cervical, vaginal, vulvar and peritoneal cancers. This event benefits Sue Gift - Gynecologic Cancer Support.

The Flyin' Lion 5K returns this year to raise money to support Littleton High School’s Lions Sports Booster Club, a non-profit 501c3 made up of parent volunteers and school administrators. The race will take place at Littleton High School on October 2nd, 2022.

The Tiger Prowl 5K is a fabulous annual community event and tradition run by the Lakewood High School Foundation to support all the talented and ambitious student programs offered. All proceeds go back into Lakewood High School programs for the students including theater, musical performance groups, athletics and the many other LHS clubs. ​Donations to […]

The Farmers 5000 is likely one of the very first school-based 5K fundraisers in the state of Colorado. Since 1981, serious racers and weekend warriors alike have been coming to Wheat Ridge High School to run the Farmers 5000! Starting and finishing in front of the school, this race winds through the surrounding neighborhoods making […]

Hello neighbors! It's time to Cowboy up for our annual Run Wild for Ellen 5K. This is an awesome event for the whole family. There will be food, music, fun activities for kids and an official timed 5K. This year we're going to COWBOY UP!!!   So, wear your ten galloners, chaps, sh*t kickers, and […]

The Race Against Suicide is an annual memorial and fundraising event for Pikes Peak Suicide Prevention. Participate in our 3k walk or 5k run individually or with a team in order to raise funds to continue to support our community outreach programs and education. This event will be available both in-person and virtually. Suicide is […]

Join us for The Oktoberfest 5k at Wibby Brewing on September 15, 2024, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Longmont. 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 […]

The popular trail running series in Bear Creek Lake Park takes place weekly in September. Different routes allow participants to explore all areas of the park. Racers can compete against others in-person on Wednesday evenings, or run the marked course on their own Tuesday-Thursday weekly for a virtual option.

Brilliant colors will be flying at Pagosa Springs' iconic ColorFest Color Run 5k. As participants venture out on the course, vibrantly hued hot air balloons will be filling the skies along the entire course route from the annual ColorFest Weekend. ColorFest Color Run 5k participants will be transformed into a running rainbow as you run […]

Looking for a fun way to get your blood pumping and explore one of Denver's most vibrant neighborhoods and support a great charity? Join us for a morning of fun, fitness, and community as we run through the streets of the RiNo Art District, taking in the stunning street art and eclectic vibe of this […]

The True Grit Run meanders through the forest at the base of the San Juan Mountain where True Grit was filmed. The courses run on single track trails and fire roads on five private ranches only accessible by participating in this event. The spectacular scenery includes views of the San Juan Mountains, the True Grit […]

OCA Colorado is proud to present the 4th annual 5K Panda Run now in Aurora's Expo Park! The Panda Run is a race to benefit the youth in our Asian Pacific American communities in Colorado. OCA Colorado is part of OCA- Asian Pacific American Advocates, a national non-profit organization dedicated to advancing the social, political […]

The 8th Annual Run4Hope 5K for Schools is a competitive and color fun run to celebrate HOPE and HEALING in our community! The event raises money to support the social and emotional wellness of our youth through various programs in local schools focusing on suicide prevention. Along with mental health awareness and suicide prevention training […]

Join us in Sterling Ranch for the Miles 4 Madison 5k/1k fun run. Miles 4 Madison is a 5K/1K fun run sponsored by Sterling Ranch Cab. Miles 4 Madison’s goal is to provide educational and recreational opportunities for families with children with special needs. The race is for all capabilities, strollers, and pet friendly! The […]

The Move Forward 5K/10K is an event created by the Doctor of Physical Therapy students at Regis University as a community outreach project. The proceeds from the event will benefit Canine Companions for Independence and the Foundation for Physical Therapy.

Have you ever stood at the bottom of a mountain, staring up at the top, thinking to yourself: “I wonder if I could run all the way up there?” Well, now you’re going to find out! The Mountain Marmot Trail Run is an epic trail race. The course is simple — start at the bottom […]

Hey Runners! Did you know that Douglas County has one of the highest percentages of teen suicide in the United States? Thrive Church is committed to awareness of this crisis and being on the solution side of the problem. We've partnered with the Children's Hospital to take intentional steps to make a difference, and we […]

Join us for a family-friendly Butterfly Run, Walk, Roll for all ages and abilities benefiting The KENNA Foundation. We are a Colorado nonprofit serving individuals with developmental disabilities and their families regardless of financial resources; providing wrap-around services to address health disparities and social determinants of health throughout El Paso County.

Join us for the Montbello Alive 5K, a vibrant community event that brings together runners, walkers, and families for a day of fun, wellness, and celebration. This race is part of the Montbello Alive! celebration, an annual event for our thriving community's culture, spirit, and togetherness. Whether you're an experienced runner aiming for a personal […]

The Autumn Run is held each year on the third weekend in September, in and around the historic, friendly, and picturesque town of Buena Vista, Colorado. Nestled in the upper Arkansas River Valley at the base of the Collegiate Peaks, the Autumn Run has one of the most beautiful courses in Colorado.

San Luis Valley Health Foundation invites you to come celebrate the 20th Anniversary Stephanie L. Miner 5k Walk and Run.  This annual event features a 1 mile healthy walk, 2/5 mile and a 5k.  All proceeds raised benefit the MRI Enhancement project at San Luis Valley Health in Alamosa, CO.

The Tavern at Red Feather Lakes is planning this year's Oktoberfest on Saturday, September 21. As a part of the festivities, Caring Hearts of Red Feather Lakes Foundation is putting on a Lederhosen 4 person team Relay! Each leg of the race is 1 mile and has a specific theme. There is the Inflatable leg […]