All-Out Fallfest
Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United StatesOne of Colorado's favorite trails meets one of its most glorious parks at our 9th annual Fallfest 5K, 10K and half marathon! As the courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view. A course that's not too hilly & […]
Harvest Moon Long Course Triathlon
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Harvest Moon Triathlon the 23rd edition of this event takes place at the beautiful Boulder Reservoir on September 10th, 2022. Est. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor. Whether this is your final event of the season, or a tune-up for […]
Team Hope 5K
Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United StatesThe Rocky Mountain Chapter of the Huntington’s Disease Society of America (HDSA) will host the the annual Heroes and Villains Team Hope 5K Walk and Run, on Saturday, September 13th at Stapelton Central Park. Registration starts at 8:00 AM and the event starts at 9:00 AM. All proceeds support HDSA’s mission to improve the lives […]
So Long to Summer 5K/10K
Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United StatesPart of the Parker Parks and Recreation Run Series, this event is professionally timed. Registered participants will receive a race shirt, custom bib and a delicious post-race pancake breakfast. The FREE Kids' Dash follows the race for children 8 and under; no registration necessary. Any proceeds from the event will benefit the Town of Parker […]
Trail Sisters Half Marathon
Whitewater Park 913 E Main St, Buena Vista, CO, United StatesCome run a Half Marathon or our new 10k that twist and turn through sage brush and ponderosa pines, all while providing stunning views of the Collegiate Peaks. Located in the Rocky Mountains along the roaring Arkansas River. Trail Sisters was founded on the ethos of empowering women to participate in trail running. There is […]
Desert’s Edge Triathlon
Highline Lake State Park 1800 11 8/10 Rd, Fruita, CO, United StatesJoin the Grand Junction Sports Commission for the 2025 Desert's Edge Triathlon Series. After a modified event in 2024, we are back with all of the usual race distances, at Highline Lake State Park.
Meadowgold Trail Run
Minturn Ranger Station 24747 US Highway 24, Minturn, CO, United StatesThere's No Way They Grew Lettuce Here! The seventh and final race in the Vail Recreation District's Vail Trail Running Series, the MeadowGold 11K & 5K is presented by Town of Minturn. This exciting and remote route will take place on Meadow Mountain in Minturn, Colorado. Traverse across this beautiful and historic mountain meadow and soak in the […]
The Denver 5K
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesTHE Denver 5k! Denver's Iconic Sloan Lake is the setting for the return of 'THE Denver 5k'. Celebrate with friends and family as you race around the lake in the shadow of Denver's skyline. Group pricing applies; youth and senior pricing are offered as well! Held at the start of September, THE Denver 5k is […]
Historic Main Street 5K
Elizabeth Brewing Company 239 South Main Street, Elizabeth, CO, United StatesJoin us for this family-friendly event! The 5K run/walk will begin and end on Elizabeth’s historic Main Street, featuring a new and exciting course that crosses the reconstructed trail bridge and heads north into Evans Park, with a mix of pavement and dirt for varied terrain. The Family Color Run will take place in Running […]
Oktoberfest 5K Trail Run
Riverwalk Center 150 W Adams Ave, Breckenridge, CO, United StatesThe Oktoberfest 5K returns this fall on Saturday, September 13th, offering an active start to a festive weekend. Lace up your running shoes and experience the changing aspens and beautiful scenery in this 5K trail run on Town of Breckenridge Trails, finishing right in Blue River Plaza on Main Street in time to enjoy the […]
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