Boulder Taco Run
Boulder International Peace Garden 1777 Broadway, Boulder, CO, United StatesWe’ve put together a non-competitive fun run on some of Boulder’s most beautiful multi-use paths. There’s even an aid station with some Boulder Taco Fest -themed treats. You’ll finish up […]
Westminster Trail Race
Wayne Carle Middle School 10020 100th Ave, Westminster, CO, United StatesJoin us at beautiful Standley Lake in Westminster for an unforgettable evening at the Westminster Night Trail! For its 12th year, this race takes on a whole new energy as runners […]
PH in the Park
City Park - Denver 1700 N York St, Denver, CO, United States2024 marks the 15th year of the pulmonary hypertension (PH) collaborative fundraiser with the University of Colorado Denver, Children’s Hospital Colorado and the Pulmonary Hypertension Association (PHA). The first fundraiser […]
Grand Traverse Mountain Run
Mt. Crested Butte Mt. Crested Butte Ski Resort, Crested Butte, CO, United StatesThe Grand Traverse Mountain Run is a point-to-point ultra marathon from Crested Butte to Aspen, Colorado. The course follows the route of the Grand Traverse Backcountry Ski race. In total, […]
Denver Broncos Fit 7K
Empower Field at Mile High 1701 Bryant St., Denver, CO, United StatesAll members of Broncos country, walkers and runners alike, are invited to join the Denver Broncos for the 13th annual Broncos 7K presented by CommonSpirit, Ticketmaster, King Soopers, and Cigna […]
10K (and 5K) @ 10,000 Feet
Rabbit Ears Pass Steamboat Springs, CO, United StatesThis is a challenging trail run with beautiful terrain and breathtaking scenery. The 10K race begins at 10,000 ft at the summit of Rabbit Ears Pass. The course begins by […]
Labor Day Half Marathon
Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United StatesCelebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker's Salisbury Park just a few miles southeast of Denver. There's a distance to meet every taste with a half marathon 10K and 5K.
Oak Creek No Fun Run
Oak Creek Town Hall 123 Nancy Crawford Blvd, Oak Creek, CO, United StatesThe Running Series is excited to have the Oak Creek No Fun Run on our schedule again! Please join us in remembering long-time Running Series competitor Larry Brooks, a former […]
American Heroes Run
Rogers Grove Park 220 North 95th Street, Longmont, CO, United StatesThe tragic events of 9/11/01 changed our nation forever. Let us not forget our proud history and those who fight everyday to keep us free. Please join us for this […]
Flaming Foliage Relay
Citizens Park 17th Ave & Miner St, Idaho Springs, CO, United StatesFlaming Foliage is a 165 mile overnight team relay race adventure with single track trails, from Idaho Springs to beautiful Buena Vista, over Guanella, Georgia & Fremont Passes. Since 2013, […]
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