Event details subject to change. Please confirm all information via event website.
Cupid’s Undie Run
Stoney's Bar & Grill 1111 Lincoln Street, Denver, CO, United StatesTHE PANTLESS PARTY WITH A PURPOSE! Run a ‘Mile(ish)' in Your Undies, Because Kicking NF's Butt is Worth the Chilly Cheeks Every February, thousands of undie runners in cities across the U.S. come together, whether it be in-person or virtually, to support those affected by NF, a group of genetic conditions that cause tumors to […]
That DAM Run Half Marathon
Cherry Creek High School 9300 E Union Ave, Greenwood Village, CO, United StatesThe RunDenver Series is the original running series in Colorado and has been a staple for over three decades. Produced by HAL Sports, the series promises a fun time through those winter months, motivating you to stay, or get, active.
Polar Plunge 5K
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesAre you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & 5K promises non-stop excitement and heart-pumping fun - all while supporting Special Olympics Colorado. Take the plunge into a chilly pool, dash through the 5K, or double […]
Time to Paddy Race
Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United StatesJoin us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), chip-timing, live results and awards, free photos, a "biggest team" contest, a kids' dash, great post-race food, and plenty of fun! […]
Tortoise & Hare 10K
Lee Martinez Park Fort Collins, CO, United StatesThe Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the month. Computer-predicted times allow runners of all levels to compete equally. Runners start at staggered intervals with faster runners (Hares) trying to catch slower runners […]
RMRR 5K
Clement Park 7306 W. Bowles Avenue, Littleton, CO, United StatesEveryone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great goal to shoot for whatever your speed. Just show up an hour before the start and we’ll get you ready for your race. It’s an […]
Tony O’Rourke Memorial Snowshoe Shuffle
Beaver Creek Mountain PO Box 0058, Avon, CO, United StatesStrap on your snowshoes and join us as we march around the beautiful Beaver Creek Golf Course for the inaugural Tony O'Rourke Memorial Snowshoe Shuffle! There will be 2 distances to choose from, a 5K & a 10K, as well as a FREE Kid's Fun Run through Creekside Park! The event will conclude with brunch […]
Polar Plunge 5K
Rock Ledge Ranch Garden of the Gods Park 3202 Chambers Way, Colorado Springs, CO, United StatesAre you ready for the COOLEST event of the season! Whether you're a daring plunger, a speedy 5K runner/walker, or a thrill-seeker ready to do BOTH, the Polar Plunge & 5K promises non-stop excitement and heart-pumping fun - all while supporting Special Olympics Colorado. Take the plunge into a chilly pool, dash through the 5K, or double […]
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
Runnin’ of the Green Lucky 7K
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesWe invite you to join us at Washington Park for the 36th annual Runnin' of the Green! Get your green on and come celebrate the 36th edition of this fun and festive event with a 7K and 2 Mile Run Walk. Runnin' of the Green (ROTG) is a family-friendly 7K and 2 Mile race/walk celebrating Irish traditions, Saint Patrick’s Day, […]
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