Event Series Summit Trail Running Series

Summit Trail Running Series V

Flumes Trail 213 Huron Rd, Breckenridge, CO, United States

Explore 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 VIII

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Boulder Stroke & Stride enters its 23rd season in 2024, and 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 on 8 Thursday evenings (plus one Wednesday evening) throughout the summer. Many participants make their open-water […]

Never Summer Ultra

State Forest State Park 56750 CO-14, Gould, CO, United States

The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass. The first 20 miles of each race will […]

$150 – $235

Blue Moon Trail Series III

Pinon Valley Park 5585 Mule Deer Dr, Colorado Springs, CO, United States

The Blue Moon Trail Run is a fun and challenging local race provided by the City of Colorado Springs Parks, Recreation and Cultural Services Department. The 3-time run series is offered on the fourth Friday evenings of May (5K), June (5K and 8K), and July (5K and 10K). In addition to the race series, a Reverse Biathlon […]

Pikes Peak Ultra

Bear Creek Regional Park 245 Bear Creek Road, Colorado Springs, CO, United States

Pikes Peak Ultra was created in 2015 to showcase some of the very best trails in Colorado Springs.  As a teenager, RD Justin Ricks trained on these trails and dreamed of one day hosting a race. After creating Mad Moose Events, Pikes Peak Ultra was one of the first races he opened. Its course will […]

Elevation Run/Walk

West Jeff Elementary School 26501 Barkley Road, Conifer, CO, United States

The Elevation Run/Walk is celebrating its 10th Anniversary on July 30th. Featuring a timed 10k race, USATF Certified timed 5k race, and 2 mile fun run. The race is held in Conifer, CO, just a short drive from Denver. It is a great event for all levels of runners and walkers. This event is great […]

SSPR TRYathlon

Cook Creek Pool 8711 Lone Tree Pkwy, Lone Tree, CO, United States

Swim, bike, run for fun! This is the perfect starting point to try a tri. These races are about completion, not competition. All athletic levels are welcome. The only prerequisite is that you must be able to swim unassisted in deep water. Age divisions are flexible. Please choose your race based on your age or […]


National High School Trail Championships

Riverside Park - Salida 170 E Sackett Ave, Salida, CO, United States

The National High School Trail Championship (NHSTC) is a trail race for high school athletes. The next running of the NHSTC will be held in Salida, Colorado. The race will feature switchbacks, climbs, descents and rocks to give athletes the opportunity to showcase their strength, finesse and trail running prowess. The Beas Knees Citizens race […]

Pirates Run for Booty

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

X Marks the spot and you'll find it at the FINISH LINE!  Step through the finish arch and each finishing pirate will grab a coin from the bag of booty!  If your coin is a winner, you'll be awarded a prize!  Although there are many prizes to be awarded (race vouchers) but the one you're […]

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