Flat and Fast Eltuck Valley 12K

Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]

$25

Calarat Challenge Trail Running Festival

Cal-Wood Education Center 2282 County Road 87,, Ward, CO, United States

Join us Labor Day weekend for the Calarat Challenge Trail Running Festival. We start the festivities off on Saturday night with a 5K that you can run, walk or hike, and our Kids 1K. Then on Sunday morning, we have the 1/2 MARATHON and 10K. All trail races start and finish at the Cal-Wood Education […]

Canceled Run4One 4K

Fox Run Regional Park Colorado Springs, CO, United States

Walk in their shoes, Run for their future! Join us for the 1st annual 4K run/walk and .5 mile kids race with Ethiopian inspired obstacles! One Love is a Colorado based non-profit dedicated to educate enrich, and empower children and families in Addis Ababa, Ethiopia. Run4One is an experience designed to give a glimpse into […]

Do Not Stop 5K/10K

Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

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 5k/10k! A donut-themed event that is perfect for the whole family.

Run Like The Wind 5K

The Old Gallery 14863 Colorado Hwy 7, Allenspark, CO, United States

Join us at 8504' for the 12th Run Like the Wind in scenic Allenspark. The race begins and ends in the heart of town and is run on dirt roads amid the pine forest and boasts views of high mountain peaks. Race packet includes a high quality commemorative cap with race logo. Refreshments, awards and […]

Das Bier Burner 5K

Keystone Resort 133-141 Dercum Square, Keystone, CO, United States

The Das Bier Burner 5k Fun Run is BACK at Keystone after a 4-year hiatus, on August 31, 2024. Join the Yeti and other runners on a scenic course of rolling hills that starts and finishes in Keystone's iconic River Run Village. Race towards the finish where a free beer for all runners 21+ (or […]

$20 – $40

Do Not Stop 5K/10K

America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

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 5k/10k! A donut-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), chip-timing, live results […]

Breck Crest Mountain Marathon

The Maggie 575 S Park Ave, Breckenridge, CO, United States

The Breck Crest is quintessential Breckenridge. The Ten Mile Range is our backdrop for this breathtaking trail race, offering up some of the best Colorado views, while finishing in the heart of historic downtown Breckenridge. This year we will only offer a half marathon and 10K.

Recovery Run of the Rockies 5K

Fossil Creek Park Lemay Avenue, Fort Collins, CO, United States

Lace up your running shoes for the Second Annual Recovery Run of the Rockies 5K! This uplifting charity run promotes physical wellness and supports Lighthouse's addiction recovery services, with all profits going directly to the cause. Open to all ages and fitness levels, this event allows you to make a real difference in the lives […]

$30 – $40

Denver Broncos Fit 7K

Empower Field at Mile High 1701 Bryant St., Denver, CO, United States

All members of Broncos Country, walkers and runners alike, are invited to join the Denver Broncos for the 12th annual Broncos Fit 7K over Labor Day Weekend. Participants will start at Empower Field at Mile High and head west into the beautiful Sloan's Lake area. Then, they will head back to the stadium where they […]

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