Event details subject to change. Please confirm all information via event website.
Vitality Walk
Riverbottom Park 205 Apollo Rd, Montrose, CO, United StatesYour participation in Vitality Walk helps Parkinson Association of the Rockies (PAR) push boundaries and invest in programs and services that are a lifeline to those with Parkinson’s, their Care Partners, and their families. 100% of the proceeds stay in communities throughout Colorado and Wyoming to help us provide free services, including: assessments, 50+ support […]
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 […]
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 […]
Aces & Paces Poker Run
Cohesion Brewery 3851 Steele Street #1388, Denver, CO, United StatesJoin us for the Aces & Paces Poker Run 5k on June 14, 2026, for a 5k-ish, fun run event that starts and ends at Cohesion Brewing in Denver. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft brew or NA beverage at the finish line. […]
Mountain Goat Kids’ Trail Running Series #1
Frisco Adventure Park 621 Recreation Way, Frisco, CO, United StatesFor the nineth year, the Town of Frisco is hosting a series of four kids’ trail running races over the summer. The entire family is welcome to come out for a night of family fun at the Frisco Adventure Park. Once the kids cross the finish line, they can grab some snacks at the Frisco […]
Summit Trail Running Series II
B&B Trailhead 1920 French Gulch Rd, Breckenridge, CO, United StatesExplore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races in and around Summit County, May-July. Each race features a short and long course, and all races are open to runners of all abilities ages […]
Boulder Stroke & Stride III
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Boulder Stroke & Stride offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the reservoir dam. Stroke & Stride happens weekly on Thursday nights throughout the Summer from June 4th to August 6th WITH THE EXCEPTION OF Thursday June […]
HRCA Happy Hour Half K
Civic Green Park 9370 S Ridgeline Blvd, Highlands Ranch, CO, United StatesLooking for something to do with the whole family on Fathers Day Weekend? Look no further than the 3rd annual Happy Hour Half K at Civic Green Park. Have you always wanted to run a half marathon, or maybe just a 5K, but it seems like too much work? You're in luck! Join us for […]
Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.