Event details subject to change. Please confirm all information via event website.
Climb 4 Change
Climb4Change is a unique racing event that offers various timed races on the 200-step Challenge Hill at Philip S. Miller Park. Participants ascend 178 feet at least once in any one of the four climb challenges. There is also a non-timed fun run / walk that families can enjoy together on their own anywhere in […]
Ironman 70.3
Boulder has been a household name in the world of triathlon for decades. This endurance community has built a reputation among triathletes for training hard, racing fast and enjoying every mile of scenic beauty along the way. But what makes this town really special, are all the adventures that await you after race day. Sunrise […]
Treat Trot
5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically […]
Miles for Melanoma 5K
The Melanoma Research Foundation would like to welcome you to the 2022 Denver Miles for Melanoma 5K! This annual signature event will bring together local melanoma patients, survivors, care partners, supporters and healthcare heroes to fundraise and help continue the fight against melanoma.
Stepping Stone 5K
Stepping Stone Support Center and Trailhead Community have come together to present this amazing event to benefit adults with developmental disabilities. Complete two laps of Johnson Reservoir at Clement Park for the 5K or take the cutoff after one lap for the untimed Shortcut.
CMRA John Meade 6K
We will start with a loop of John Meade Park before heading onto the Cherry Hills Trail for an out-and-back short cirtcuiting the initial loop. This race will be ~3.875 miles (6k) with the same course for walkers and runners. ~115ft. The course is nearly all trail or gravel path with 0.2 miles of paved […]
Sam’s Rainbow Run
Sam was a remarkable young man whose life was tragically cut short in a plane crash in September 2022. At just 23 years old, Sam had recently graduated from Colorado State University (CSU) in December 2021 and was pursuing his dream of becoming a commercial airline pilot. He began flight training in the summer of […]
Summer Sizzle 5K
The Summer Sizzle 5K isn't just a race; it's a summer festival! Bring your friends and family to enjoy a lively atmosphere filled with music, vendors, fitness classes on the fitness court and engaging activities for all ages. Make it a day to remember with a post-race celebration that captures the spirit of summer. Whether […]
Jodi’s Race for Awareness 5K
Join thousands of runners and walkers for the 17th annual Jodi’s Race to celebrate survivors and raise awareness of the signs and symptoms of gynecologic cancers. Proceeds benefit the Colorado Gynecologic Cancer Alliance. Family friendly event includes a 5K Run/Walk, 1-mile walk, Family Fun Zone, Furry Friends, Expo and Survivor Breakfast. Price: Adults─$60; seniors 70+ and […]
Holy Hammers Hustle for Habitat
Fun 3 mile walk benefitting Habitat for Humanity of Metro Denver.
Canceled Tutu Dash 5K
Grab those tutus and come run with us to raise money for the Colorado Conservatory of Dance. This run/walk will be a party full of smile, music, and dancing! The 5K is a 3 loop course on a combination of dirt trail and sidewalk at Broomfield County Commons Park. The course is on beautiful open […]
Loop the Lake 5K
This is a 5k run and "fun run", walk for all abilities _ Walkers Welcome!! The route will loop the Lake at Lathrop State Park which was just voted Colorado's Favorite State Park!! This event is in celebration of 125 years of St Mary's Catholic Church in Walsenburg, Colorado with all proceeds going to repairs […]
Strides of Love
Small steps can create big change. Whether you run, walk, push a stroller, or cheer from the sidelines, every stride helps connect vulnerable kids with the care and support they need.
Canceled The 80’s Run
THE 80s Are back! Are you ready? Then grab your old Nikes, Leg Warmers and Parachute Pants or SHORT shorts!
Garden of the Gods 10 Mile
The Garden of the Gods Ten Mile Run® is the premier race of Colorado Springs, coursing through the 300′ towering sandstone rock formations of Garden of the Gods Park, including the most famous rock in the area, Balanced Rock. For 45 years, the Garden of the Gods races offers a spectacular setting, a physically demanding […]
Treat Trot
5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically […]
Mountain Swim Series I
The Solstice Swim is a swim originally created in cooperation with the Longmont Kinetics Festival. Participants have the opportunity to swim either a 500-YD race, 1.2 mile race or a 2.4 mile race. Awards will be given out to the top three finishers in each division for each race. Divisions will be both non-wetsuit and […]
Bullfrog Splashdown
The Bullfrog Splashdown is a community run and walk at Clement Park celebrating the start of summer with block-party energy and welcoming community vibes. Come for the run, then stay to hang out, meet other runners, and enjoy the park.
Tenderfoot Hill Climb
This one-of-a-kind race is a signature kick-off to FIBArk events. Beginning at the corner of Sackett and F, participants run and scramble straight up Tenderfoot (“S” Mountain) and back down. Believe it or not, the winners do it in less than 12 minutes! This is the first of 3 races in the Triple Crown Series […]
Bears Ears Ultra
Introducing Bears Ears Ultra! A 50 mile, 50K, 33K, 13K 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 […]
San Juan Solstice 50 Mile Run
About the run The first running was held on June 17, 1995 and it was known then as the Lake City 50. The snowfields on the Continental Divide prevented running the proposed route that first year and the course was reduced to an out and back to the Williams Creek Aid Station. As a result, […]
Transplant Games 5K
From June 18-23, 2026, Denver will host the world’s largest celebration of life — the 2026 Transplant Games. Thousands from across the country and around the globe will come together in the Mile High City to honor the courageous families who gave the gift of life and to shine a light on the power of […]
Unicorn 5K
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!
Red, White and Brew Run
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! […]
Sierra’s Race Against Meningitis
Annual 5K run/walk and kids fun run held in Loveland, CO. Dedicated to raising awareness, funding research and providing free vaccinations to prevent meningitis
Longs Peak 5 Mile
The prominent fourteener, Longs Peak, is Northern Colorado’s highest mountain at 14, 259- Ft.. Longs Peak, and a chain of magnificent peaks along the Continental Divide, are located in Rocky Mountain National Park. From the Lake Estes trail, runners will experience views of Longs Peak, Mount Meeker, Thatchtop Mountain, Storm Peak, Mount Lady Washington, Otis […]
FIBArk Road Race
These two courses are on county roads, starting and finishing on the mesa at Thonhoff Park near the County Courthouse. The 10K is part of the Triple Crown, a competition that includes the Tenderfoot Hill Climb, the 10K Road Race, and the 10K Trail Race. Awards will be given to the top three male and […]
Heart Walk
We're all tied to heart disease and stroke in some way, and we must change that. Join your friends, family and co-workers to be a relentless force for a world of longer, healthier lives. By registering for the Heart Walk today, you are taking the first step to save lives. Every walker who joins, every […]
Fatherhood 5K
Restore the Man Reclaim the Family Renew the Church Revive the Culture This annual walk/run event is designed for the entire Family. There will be prizes for top 3 female and top 3 male finishers. Spread the word! Let's gather as a community to Celebrate Fatherhood! All family members (and pets) are welcome for this […]
Doggie Dash 5K
Calling all animal lovers and the dogs they adore — lace up your sneakers and join us for the 13th Annual Doggie Dash 5K! Whether you run, walk, stroll, or simply stop to sniff along the way, Doggie Dash is a fun-filled celebration of community, canine companionship, and giving back. Join us on Saturday, June […]
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