Event details subject to change. Please confirm all information via event website.
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 […]
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 […]
Bears Ears Ultra
Introducing Bears Ears Ultra! A 50 mile, 50K, 33K, 13K event hosted in the quiet Abajo Mountains of Monticello, Utah. The course treats runners to views overlooking Canyonlands National Park and the Bears Ears National Monument. You can even catch views of Monument Valley and the Bears Ears Buttes! Sunrise over Canyonlands National Park will […]
San Juan Solstice 50 Mile Run
About the run The first running was held on June 17, 1995 and it was known then as the Lake City 50. The snowfields on the Continental Divide prevented running the proposed route that first year and the course was reduced to an out and back to the Williams Creek Aid Station. As a result, […]
Ring the Springs Trail Races
Get ready for an unforgettable adventure at Ring the Springs trail running races in the stunning Colorado Springs, Colorado! This thrilling event showcases the area's incredible natural beauty, with a course that weaves through majestic mountains, scenic city parks, and iconic landmarks. The route is designed to challenge and inspire, featuring exhilarating climbs and rewarding […]
Transplant Games 5K
From June 18-23, 2026, Denver will host the world’s largest celebration of life — the 2026 Transplant Games. Thousands from across the country and around the globe will come together in the Mile High City to honor the courageous families who gave the gift of life and to shine a light on the power of […]
XTERRA Lory Triathlon
XTERRA Lory Triathlon on June 18th is the perfect kick-off to the year for the seasoned off-road triathlete, or a great opportunity for the road triathlete wanting to try out a mountain bike triathlon for the first time. The XTERRA Lory Triathlon features a 1/2 mile swim in the clear waters of Horsetooth Reservoir (Eltuk […]
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