Event details subject to change. Please confirm all information via event website.
Canceled The Fall Frenzy 5K
Entry Fees & Registration 5k Registration: Free 1 Mile Registration: Free Kiddie Kruze Registration: Free *** Our group runs are free for this event but we welcome donations. These can be monetary or in the form of clothes or food or anything you feel inclined to give! Donations in part will go to Harvest Therapeutics and given to […]
Turkey Mile 4 REAL
REAL Training presents the Turkey Mile 4 REAL! This "festival of miles" will be held at Niwot High School's speedy track on Wednesday, November 24 and offer several full mile races & feature Fully Automatic Timing.
Jingle Bell Jog
Packet pickup will be held at Iron Horse Park starting at 9:00am on December 7th. (This is for runners who bought swag only!) The 5K begins at 9:15am The 1 mile begins at 9:20am Extra shirts and stickers will be available on a first come, first serve basis for $20. For Complete information, please visit […]
Ugly Sweater 1 Mile
Who's going to run the fastest mile in Buena Vista? We are joining in the celebration of the Town of Buena Vista's Christmas Opening with a family friendly 1 mile run before the parade! We will have a wonderfully warm pair of gloves for you! Come out in your ugliest holiday sweater as you […]
Winter Warmup 5K
Entry Fees & Registration 5k Registration: Free 1 Mile Registration: Free Kiddie Kruze Registration: Free *** Our group runs are free for this event but we welcome donations. These can be monetary or in the form of clothes or food or anything you feel inclined to give! Donations in part will go to Harvest Therapeutics and given to […]
Santa’s Summit Slam
Santa's Summit Slam is an all weather and all conditions race with 30% gravel roads and 70% single track trail. Regardless of conditions, WE WILL RACE What this race could be: Fast and dry race in trail shoes Sloshy single track with traction spikes Snowshoes from start to finish Carry snowshoes on your back for […]
Resolve to Run 5K and Ultra
Looking for an epic way to kick off the year? Join a single 5K race or see how many 5K loops you can complete in the 12-hour challenge! There will be four 5K start times spread throughout the day, giving the community more opportunities to join in case one time doesn’t work for you. This […]
Winter Six Pack Series #5
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesJoin us for a fun progressive series in Westminster! Series participants will enter at their own pace - running a 1 mile race in the first event and adding a mile at each event to complete a full 10k (6.2 Mile) race at the end of the series. This Series is designed for the entry […]
Snow Queen 5K/10K
The Snow Queen Frosty February 5k/10K is back! Join us for the 6th annual event! This year, we're headed back to the Riverwalk, starting and ending at the Cañon City Area Recreation and Parks District's Community Room. The 5K and 10K courses will head west on the Riverwalk, highlighting beautiful views of the river, the […]
Far Out 3/4 Marathon
We host one race per month from November to March. All races are at Chatfield State Park and start at 9:00 am on Saturday mornings. Check-in starts at 8:15 am.
Winter’s End Snowshoe Races
The Winter’s End Snowshoe Races is an exciting winter running adventure that takes place at the beautiful Granby Ranch Resort in Granby, CO. The races are open to runners of all abilities, from beginners to experienced athletes, and offer a unique opportunity to enjoy the beautiful snow-covered landscape while staying active and healthy during the […]
5K Raptor Run
Please come run/walk, being your dog too if you want at Barr Lake State Park Have fun! Bring a friend. Sign up on Running Guru or go to Friends of Barr Lake website.
Mav Day 5K
Lace up your sneakers and get ready for an epic, one-of-a-kind 5k experience! Join us for our 2nd annual 5k that supports student scholarships. Every penny raised will be donated to High 5 a Mav, our annual community giving campaign that raises money to provide scholarships to current students. You won’t want to miss this exciting […]
Diabetes Link 5K
Join us for the CU Boulder Diabetes Link Fundraising 5k Race this April 13th to support diabetes research and raise awareness!
Most Eggcellent 5K/10K
This is the Most Eggcellent of excellent 5Ks - an 80s themed 5k! Bring out your pastel, your shoulder pads, your blue eyeshadow, and that big hair! We cannot wait to see your spirit! We will start at McPhelemy Park, and then runners will travel west on Crossman Avenue (CR 350). They will take a […]
The Mile High 4.20K
A Mile Higher, A Mile Healthier Raise awareness and promote a healthy lifestyle with cannabis for medicinal purposes; physically, mentally, and psychologically. Finding different ways to give back to the community without a bad connotation of natural herbs and the benefits they can bring.
CSU Grit Run 5K
ome join us on April 20th at 9:30am for a 5K run/walk hosted by the Colorado State Football Program! Colorado State Football would like to invite you to participate in an event that will benefit those with Cystic Fibrosis. Cystic Fibrosis is a progressive, genetic disease that causes persistent lung infections and limits the ability […]
Springtime Sprint 5K
Come have an awesome time and race in the 5k or Fun Run we will be hosting on April 26 2025 at the Compass Montessori Golden Campus! There will be T-shirts, snacks, and awards for top 3 finishers per age category. This is a student-led valorization project and all proceeds will go to our school, […]
Boulder Track Series #2
Niwot High School 8989 Niwot Road, Niwot, CO, United StatesWe are pleased to offer 3 x Spring track meets, for middle distance and distance runners, that will be conducted similarly to the BMC (British Milers Club) meets. All meets will be held at Niwot High School (8989 Niwot Rd, Niwot, CO 80503). ADDITIONAL NOTES There are NO age restrictions for the 800m, 1500m and […]
Falcon 50
This year's in-person Falcon 50 will be opened up to all DoD ID Cardholders but is subject to change should a base closure occur. Welcome to the annual Falcon 50 Race Series. This event has 5 race distances/options: the Half-Marathon, Military Half-Heavy, Marathon, Military Heavy, and 50 Miler. Join us and help continue the legacy […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
Canceled Bash the Bluffs 5K
Every spring the University of Colorado at Colorado Springs Campus Recreation Department hosts an on-campus run/walk in honor of Dr. Ed Burke, former professor of Exercise Science and renowned researcher at UCCS. This year, the 21st annual Bash the Bluffs 5K run/walk will be held on April 23, 2022
Bulldog Bustle 5K
Celebrate Israel Walk
The walk is back! Show your solidarity at JEWISHcolorado’s Celebrate Israel Walk & Festival. This year, our theme is “Hineni – We All Belong”. Celebrate Israel is Colorado’s largest festival dedicated to the people, culture, and state of Israel, bringing together Jewish people and allies from across the Centennial State for music, food, and connection. […]
Western Colorado Trail Running Camp
Join us for a long weekend full of trail running adventures in the colorful desert landscape of Western Colorado's wine country. Life's 2 Short Fitness is teaming up with Becoming Ultra coaches for this special co-ed trail running camp for all levels. Enjoy coached workouts/clinics, guided hikes and runs for all levels, recovery yoga, cold […]
Ordinary Mortals Triathlon
Ordinary Mortals Triathlon is changing to a Duathlon at the beautiful Lake Pueblo State Park. There is a big lake but it will be too cold for a swim in early May, at least for regular folks. So we will run, bike, run - the course and distances are perfect for newbies and offer a […]
Trauma Survivors Fun Run
Mamas Day 5K
Mamas Day 5k and Family Fun Run is located in Buena Vista, CO. The course is on paved and dirt town trails and is stroller friendly! Open to anyone wanting to celebrate Moms! Participants receive a goodie bag and trucker hat.
Mother’s Day Run
A new Race Series for Colorado with 2 races over the Weekend for both WOMEN/Moms and their families!....Saturday, MAY 10th, 5k & Family 1 mile in Denver at GREAT LAWN PARK, then on Sunday in LOUISVILLE- COMMUNITY PARK for the 5k, 10k and Family Mile Trail Races. Take your choice. DENVER- Expo opens at 8:30am, […]
Spawning 5K
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