View some of the best races in Thornton, Colorado! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.
Is it spring or still winter? We'll know when we run the Central Park 5k at the end of March! Celebrate the end of winter with us on this flat and fast course in the historic Central Park neighborhood! ---------------------------------...
From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 13th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Along with its Endless Series sid...
Participants will work with the SHS coaches and players to learn pitching mechanics and drills. Strasburg Rec youth coaches are encouraged to come to.
Participants will work with the SHS coaches and players to learn pitching mechanics and drills. Strasburg Rec youth coaches are encouraged to come to. (Pitchers with 1 year experience or more)
Participants will work with the SHS coaches and players to help them improve their softball skills, including but not limited to throwing, hitting, and catching.
Participants will work with the SHS coaches and players to help them improve their softball skills, including but not limited to throwing, hitting, and catching.
April is a lovely time to run with RMRR, and the City Park 4 mile run is a great way to celebrate spring. We usually have fabulous spring weather for this run, and it’s fun to run around the park and the zoo. As always, everyone is wel...
Join Bird Conservancy of the Rockies as we partner with Birdability® for monthly outings in 2025! These are accessible, inclusive bird programs perfect for beginning birders and avian enthusiasts alike. People of all ages and abilities are welcome...
Good Boys Running Club, Denver Athletics, New Balance, and Runners Roost are partnering to bring you a distance-based all-comers track meet under the lights of Randy Penn Stadium. The event will feature 5 events from 400-3200 as well as a free 4x4...
Welcome to Denver's Best Spring Half Marathon! Sunday April 13, 2025 at Cherry Creek State Park Racing Underground brings you an amazing half marathon this spring! The Three Creeks Half Marathon features a half marathon course that is flat, fast a...
Welcome to the 52nd running of the Horsetooth Half Marathon. Your race will take you on a scenic point-to-point journey from the location of Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the w...
Join the Academy of General Dentistry in the Fight Against Oral Cancer! Be part of a movement on Sunday, April 13th, 2025 at Denver's City Park for our 5K event dedicated to raising awareness about oral cancer. Oral cancer can affect any area of t...
Run or walk as we celebrate Northern Colorado's newest trail, connecting Windsor, Severance and Eaton! Choose a 5k, 10k or half marathon - with a Great Western Trail Race finisher shirt, music and custom locally made prizes for top finishers. ...
Join us for the 13th annual Beat the Heat event, where one of Colorado's favorite trails meets one of its most glorious parks, all in support of Adaptive Adventures! Follow the winding courses southwest along Big Dry Creek Trail, and enjoy the bre...
Join Bird Conservancy of the Rockies on the last Saturday of each month for some bird-watching fun! These bird outings are designed to be inclusive so let's come together, learn, and enjoy the outdoors as a community of nature lovers. Our flock we...
A road half marathon & 5k in beautiful Estes Park, finishing downtown amidst the infamous Bigfoot Days Festival.Finish in Bond Park surrounded by live music, Bigfoot celebrities, and a FREE festival featuring 50+ vendors and booths.Once you'r...
Adams 12 Five Star Schools is invested in the Whole School, Whole Community, Whole Child (WSCC) approach to education and is committed to ensuring that all students are safe, supported, healthy, engaged, and challenged. This event is an opportunit...
Ready to gallop around Denver with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k at Great Lawn Park to kick off your spring running season! You'll earn a sweet tee shirt and a flashy unicorn finisher m...
Come run a PR in Adams County. Both races start/finish at Riverdale Regional Park, and run along gently flowing waters of the S. Platte, with wildlife, wildlife sculptures, and mountain views. Racers get tech running socks, finisher medals/glasses...
JOIN US FOR THE 16TH ANNUAL FLYING PIG 5K The Flying Pig 5K is expanding its impact this year! This event is a fundraiser that will benefit children’s programs at Foothills Gateway, including the Family Support Services Program (FSSP). ...
Come join your daughter/student/friend/etc for this fun 2-Mile Fun Run! We have a new location and route!
We’re helping Parks and Rec celebrate Loveland's Arbor Day. Come enjoy food trucks, live music, and a fun run to help raise money for the tree planting fund. Each participant will receive a custom bib, custom swag (TBD), and lots of FUN!
The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt...
Adams County will host its eleventh annual 5K race, and 1 mile fun run on Saturday, May 3rd at the Riverdale Regional Park which is home to the Adams County Fair. Registration opens at 6:45 a.m., and the 5k race starts at 7:30 a.m. The...
All participants are welcome. Come challenge yourself to be the best. Bring a friend to keep you company. Bring your little ones and get a better workout pushing a stroller. You can even bring your for-legged friends (with a leash of course). ...
Rocky Mountain Road Runners holds a monthly Trophy Series race in the Denver area. Our May race will run at Denver's Central Park. We have both 5mi and 5km courses. The 5mi uses our handicap start system, slow-to-fast, spread out over ~26 minutes....
Longmont's only Half Marathon - now offered in the cooler month of MAY! Join the Half Marathon or 5k distance! Walkers and Runners of all abilities welcome!
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...
Muddy Dash is not your average mud run! Get ready for up to 3 Miles of messy mayhem. You and your friends/family can expect to run, walk, crawl, wade, slip, slide, and scream with excitement as Muddy Dash gets you fabulously filthy. We’...
The HRCA Mother's Day 5K is a family-friendly race taking place on Saturday, May 10, 2025. This course is suitable for participants of all levels, whether they are first-time 5K runners, elite athletes, kids, or parents with strollers. The event e...
Question: Is it supposed to be DO NOT STOP, or DONUT STOP? Answer: YES! Like Running or Walking? Love Donuts? This race is for you! Join us for the annual DoNot Stop Half Marathon, 5k/10k! A donut-themed event th...
Whether you’re a seasoned runner or just love to walk and take in the scenery, Wicked Wine Run is for you! Each course will be held on beautiful properties or various partner vineyards across the country giving you a rare opportunity to view and t...
DescriptionWe are excited to return to Westminster for the 2025 Colorado Women's Classic! While focused on women, all genders are WELCOME at this event! We will run this event rain or shine! :) This is THE race for ALL. THE. GOODIES.Th...
Participants will work with the SHS coaches and players to help them improve their baseball skills, including but not limited to throwing, hitting, and catching.
Participants will work with the SHS coaches and players to help them improve their baseball skills, including but not limited to throwing, hitting, and catching.
Gather your family and friends, including your furry friends—don't forget Fido! Grab your running (or walking) shoes and join us in supporting FOCP (Friends of Charlie's Place), the Clear Creek and Gilpin County Animal Shelter, and CCMRD Youth Pro...
This family friendly event begins and ends on the track at the North Area Athletic Complex (NAAC) in Arvada with a scenic trek along the Fairmount Trail in the middle. Following the 5K there is a 50-yard Jordyn's Adaptive Dash where children with ...
Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers age appropriate running events including the 50 & 75 yard d...
Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers age-appropriate running events including the 50 & 75 yard d...
Stepping Stone Support Center and Trailhead Community have come together to present this amazing event to benefit adults with developmental disabilities, raising both awareness and funds to give these participants a home of their own! Join us on J...
Rocky Mountain Road Runners holds a monthly Trophy Series in the Denver area. We provide a low-key, low-cost racing environment. Everyone is welcome to run with us! The race uses a handicap start system, slow-to-fast, spread over ~13 minutes...
Join us at Denver's Sloan's Lake Park for a fun and festive 5K.
The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable, kind-to-your-body, well-supported 13.1 race! Seasoned runners and first-timers alike appreciate the excellent communicat...
CARA Track is Colorado's premier Recreation Track Program. Recreation agencies from around the state of Colorado offer this program so young athletes, ages 5-16, can participate in a healthy summer activity. Participants compete in 5 meets and ar...
StepUp for Women and Recovery is an event that brings together the community and supports scholarships for women who seek treatment for drug and alcohol addiction. People entering a program often commit to complete treatment but may face financial...
Get ready to rumble at the J-Town Jog 5K and Mile on Saturday, June 7, 2025, an annual family-friendly event to kick-off the Johnstown Barbeque Day! Runners and walkers of all ages and abilities will enjoy the scenic 5K route and 1 Mile...
Join us for our 13th annual Summer Breeze, at the Stenger Soccer Complex in the heart of the West Metro area! This event features the scenic Van Bibber Creek Trail winding west through Arvada's expansive open spaces, offering breathtaking views of...
Looking for something to do with the whole family on Father's Day Weekend? Look no further than the Happy Hour Half K on Friday, June 13th, starting at 6:00 p.m., at Civic Green Park in Highlands Ranch. Have you always wanted to run a half ...
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 ...
Join us for the annual Hometown Half Marathon & 5k/10k! A run local-themed event that is perfect for the whole family.The fun includes - Great Swag - designer shirt & custom medal Chip-timing with live results and awards Pacers for the ...
If you’ve done a traditional 5K, you know they can be a bit lackluster. But the BUBBLE RUN™ is like running through Willy Wonkas’ factory. Clad in white t-shirts, adults, kids and strollers run, walk, dance and play across up to 3 mil...
Join us, Saturday June 28th for our criterium multi-lapped course, that starts on Spruce St and 14th St. It completes 3.75 laps around the famous Boulder Court House and up the Pearl Street Mall. Famous Landmarks you will run past: Boulderado Hote...
The Denver Pride 5K is more than just a race—it's a powerful way for supporters of The Center on Colfax to make a difference in the lives of Colorado’s LGBTQ+ community. This event serves as a crucial fundraiser, enabling us to provide free essent...
Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who do and have done GREAT things! Come be GREAT with us! Sign ...
Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who do and have done GREAT things! Come be GREAT with us! Sign ...
Kick off your 4th of July with a family-friendly and festive 5K starting on Friday, July 4, at 7:30 a.m.! This fun run/walk is perfect for first-time 5K participants, elite runners, kids, parents with strollers, and everyone in between - even your...
Friday July 4th, 2025! Walk ⭐️ Jog ⭐️ Run ⭐️ Race Kick off your holiday festivities with a 5k in City Park, Fort Collins Schedule: Thursday, July 3rd: Early Packet Pickup 2:00-6:00 pm Location: Alive By Raintree Athletic Club932 W Drake Road...
July 4th is celebrated in a number of different ways, with parades, barbecues, sparklers and fireworks, BUT there has been no better way since 2008, to get your July 4th morning off to a great start, than doing Boulder’s traditional 4K on the 4th,...
2024 Results Male Course Record: Cody Aldridge, 4:33.08, 2024 Female Course Record: Cora Goulet, 5:49.37, 2024 Master Male Record: Kyle Verrett Kiel, 4:49.10, 2024 Master Female Record: Kathryn Murphy, 6:27.38, 2024 Yooper Running Company p...
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