Event details subject to change. Please confirm all information via event website.
Moony Pride 5K
This fun run is held on national coming out day this out and back Greenway 5K is here to celebrate everyone and anyone! There will be an unofficial clock and a mini award ceremony after. this is a free race, but we asked that you would consider to donate. All donations go to charity.
Run the Rocks
Celebrating our 21st year, the American Lung Association in Colorado proudly offers the only timed-race event at the iconic, gorgeous Red Rocks Park & Amphitheatre. This unique run/walk challenge combines breathtaking scenery and a rock ‘n roll vibe for our 1.3-mile run/walk and 5K. Dogs are welcome at both events. We will host over 1,500 […]
EDT XC Showdown
Whether you run for a team, as an individual, or you just want to try out the experience of running a cross country race, you are welcome to join us for the 2024 Elevated XC Showdown! Boys/Girls will run in combined races, and will be separated by age groups below. All courses utilize the same […]
Kitty Beanz Cat 5K
Indian Creek Fifties
The Indian Creek Fifties takes advantage of the challenging and little used terrain just southwest of the Denver Metro area. Loop 1 climbs to 8000′, and quickly flows down into the Grand Valley for a few gorgeous pink sunrise soaked miles. This loop almost seems friendly, until you’re given a few sharp stabs in the […]
Bobcat Trail Races
Bobcat Trail Race was created to feature one of Colorado Spring’s best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the rocky bluffs. Come out and enjoy this amazing trail system, right in the heart of the city! Formerly a Mad Moose Event & graciously passed on to […]
Blue Sky Trail Marathon
Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit […]
Living Water 5K
5K Fun Run race and family friendly 1mile run/walk to help support communities who are in dire need of clean, sustainable water solutions and those suffering from recent disasters. The event will be held at the lovely Berkeley Lake park (across from Lakeside Amusement park), and will be a timed, point to point race following […]
Sean May Memorial Run
The run/walk is held to honor Sean May, a Chief Deputy District Attorney with the 17th Judicial District Attorney’s Office who was murdered in his backyard in 2008 when he was returning home from work. During his seven years of service in Adams County, May served in a variety of assignments, including a rotation in […]
Great Pumpkin Haul
The Great Pumpkin Haul involves strength, agility and hauling a pumpkin on a 2 mile cross country course. Before the "Haul" you will pick out a pumpkin from the pumpkin patch and carry it through forests, open fields, over hay bales and other fun obstacles. Post run festivities include hay rides, haunted maze, food trucks and […]
Running Scared 5K
Get ready for a spine-tingling race experience at the Running Scared 5K & 13K—where thrills, chills, and fast times collide! Whether you’re brave enough to tackle the 5K or daring enough to conquer the 13K, this Halloween-themed event delivers a fun and festive atmosphere perfect for runners of all levels. Costumes are encouraged, so come […]
Longmonster Dash 5K
Runners, walkers, and broom fliers of all paces are welcome to join the fun. Race for pumpkin trophies and age-group awards, or come dressed to impress for a chance to take home one of our witch trophies in categories like Best Overall, Best Family, Best Group, Spookiest Costume, and more. After you cross the finish […]
Great Trailhead Foot Race
Welcome to the Great Trailhead Foot Race at Bear Creek Lake Park! Featuring legitimate TRAILS in the shadow of Denver's skyline, you'll love the single-track and dirt as you race 5 miles, or a double lap of 10 miles to the finish line party!
Chili Chase
An exhilarating day of trail running and delicious chili! Durango's only trail running event that starts with a trail run through Overend Mountain Park over Hogsback, and ends with a Chili Cookoff! Presented by The Durango Running Club & Backcountry Experience, and benefitting The Good Food Collective. Registration for runners opens Aug 1, 2026 for […]
A2A Hero Run
The race is approximately 5K, looping around Minnequa Lake, starting at 2201 Lake Ave, Pueblo, CO 81004 (Fire Station 4).
Running Scared 5K
Get ready for a spine-tingling race experience at the Running Scared 5K & 13K—where thrills, chills, and fast times collide! Whether you’re brave enough to tackle the 5K or daring enough to conquer the 13K, this Halloween-themed event delivers a fun and festive atmosphere perfect for runners of all levels. Costumes are encouraged, so come […]
Fall Harvest Kids Duathlon
Join us for a fun-filled Fall Kids Duathlon at Broadmoor Elementary! 🍂 Kids ages 4–12 will take on a run → bike → run course, followed by a morning of fall fun including face painting, hot chocolate, icrecream and pumpkin picking and painting! 🎃🏃♀️🚴♂️ All participants will have a choice of either a hot chocolate […]
CDDR 5K Run to Rescue
The Colorado Domestic Duck Rescue 5k Run to Rescue is a untimed fun run or walk to support the rescue and homing of domestic ducks dumped by their owners into environments where they will not survive. The run, to be held Sept. 28, 2025 at 9 a.m., supports education efforts to build awareness concerning proper […]
Halloween Hustle
Lace up your sneakers and put on your best costume—it’s time for the 4th Annual Halloween Hustle For Charity, a family-friendly charity race that brings together a community of athletes, costumed characters of all kinds, and little trick-or-treaters for a spooktacular day of fun—all while raising money for a great cause. It’s a ghoulish good […]
Palmer Lake .5K (Yes “Point” 5)
The Fastest Growing (and shortest) Running Event in CO is back!!! Awake the Lake will hold its 8th Annual PALMER LAKE .5K (Yes “Point” 5), and it just keeps getting better. The “run for everyone” is a challenging entire ½ kilometer, where competitors are rewarded not only with the unique views of beautiful Palmer Lake, […]
Crimson Classic 5K
The University of Denver's Annual Crimson Classic 5K Run/1.5 Mile Walk will take place on Carnegie Green Lawn. Music, stretching, and snacks will start at 2:15pm. The focus of the Crimson Classic is to celebrate wellness and to bring together our community. This is a free event! Please join us for a selection of wellness […]
Canyonlands Ultra
Canyonlands 100K, 50 Mile, 50K, Marathon, Half Marathon, and 15K Canyonlands Ultra starts and finishes at the Behind the Rocks Trail, along the border of the Behind the Rocks Wilderness Study Area. Moab's last hidden gem; its tall standing Navajo Sandstone domes and fins can be seen from many places along the course. From smooth double […]
Bridge Runner Ultra
Discover the scenic 35-mile loop starting in Canon City, Colorado, tracing along the Arkansas River and through historic Tunnel Drive tunnels. Ascend to 7,109 feet for panoramic views of Royal Gorge and Pikes Peak. Runners navigate pristine singletrack in Royal Gorge Mountain Park, cross the highest US bridge, and descend through Temple Canyon. With only […]
Cowboy Half Marathon
With a new race date for 2021, the Mancos Cowboy Half Marathon and 5k is a beautiful and scenic course with a mix of pavement, dirt road, and trail. Grab a few friends and spend the weekend in the beautiful Mancos Valley. Due to COVID, initially this race is limited to only 175 people for […]
Zedikiah Scholarship 5K
Join us for a powerful morning of MOVEMENT, COMMUNITY, AND PURPOSE as we come together to CHANGE LIVES THROUGH EDUCATION. The ZEDIKIAH MEMORIAL SCHOLARSHIP FUND supports BIPOC students pursuing higher education in fields where REPRESENTATION MATTERS and every step you take helps OPEN DOORS for the next generation.
Race to Cure Sarcoma 5K
The Race to Cure Sarcoma (RTCS) is the premier run/walk series in the United States, focused on raising awareness, providing education, and research funds for sarcoma. Each year, the Sarcoma Foundation of America (SFA) hosts more than (20) RTCS events across the country. We provide a unique space in the sarcoma community where patients, survivors, their friends, […]
Trick or Trot 5K
Join the Apex Park and Recreation District Foundation for the inaugural Trick or Trot 5K! Runners and walkers of all ages and abilities are all welcome to join us for this Halloween celebration. Dress in your Halloween best for a chance to win prizes for the costume contest. There will be a separate 1-mile Trick […]
YMCA Creepy Crawl 5K
Our annual "spooky themed" race starts at the Palmer Lake Regional Recreation Area. We head down the scenic Santa Fe Trail for a bit then turnaround and finish with a lap around Palmer Lake. This is sure to be a fun day for everyone! Our Kids Monster Dash Fun Run is for kids 12 and […]
Quick Draw @ McGraw Trail Race
Come one, come all! And join us in the "Quick Draw @ McGraw" 2 Mile Trail Run, organized and hosted by CRATES Colorado and benefitting McGraw Memorial Park. This challenging trail course located directly south of the Keystone Bridge located inside McGraw Park will give runners of all skill levels a true test of their […]
MonsterDASH
Colorado's Favorite Halloween Runs....Each year the Theme Changes!! This festival on Sloan's Lake, brings scary music, tons of Blow Ups, Carnival Games and Scary Clowns. The 5k and 10k run loops around beautiful Sloan's Lake and finishes in the CIRCUS Expo....with Games, Hot Dogs, Pop Corn and Balloons. The Race starts at 9:30am for the […]
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