Event details subject to change. Please confirm all information via event website.
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 […]
Westy Winter Waggle
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesIt's the Westy Winter Waggle 5&10k! Come waggle with us along an accurately measured, professionally timed course where you're welcomed by super friendly volunteers who wanna waggle with ya in the Colorado snow season! Come out for a Brrrrisk Brrrrun and choose your distance! History: This event was once part of the beloved Winter Six […]
Sweet Heart Run
This February, run your heart out, sweetheart! Choose between a 5K or 10K along the scenic Fruita Trail System, and don’t forget to dress up for the costume contest. After the race, enjoy some sweet treats and celebrate with us at the post-race party.
Vail Mountain Winter Uphill
Join us as skiers, snowboarders and winter runners tackle 2,200 vertical feet of groomed trails to reach Eagle's Nest at the top of the Eagle Bahn Gondola in Lionshead. The event will conclude with breakfast and awards at Eagle's Nest, provided by Vail Ski Resort and US Foods. This event honors the memory of Vail local, Lyndon […]
Valentine’s Day 4 Mile
The 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. Start your Valentines Day celebrations with a 4 mile Run! Head out to Washington Park […]
Super Sunday Fun Run
Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United StatesBring the entire family to run or walk before the big game and enjoy a post-race party at Breckenridge Brewery Farmhouse. Runners and walkers of all ages and abilities are welcome for this event along the Mary Carter Greenway. Show your team spirit and wear your favorite team jersey or attire.
Toyota Super Half Mararthon
The streets and trails of downtown Colorado Springs are not exactly the “Frozen Tundra of Lambeau Field” but on Super Bowl Sunday, Feb.8, 2026, more than 1,500 runners will race for paydirt there in the 14th Toyota Super Half Marathon & Game Day 5K. This is Colorado Springs’ Super Sunday Tradition! We have a flat […]
City LAX Dash
The Dash is an event to kick-off the spring season and support Denver City Lax. Schools, teams and individuals have been rallying together at the Dash the past nine years.
Valentine Twosome
This is just a fun, casual race with optional costumes. Grab your sweetheart, a friend or family member, just bring someone besides yourself, dress up in red, pink, any fun couples costumes and score a chocolate prize! Each team member needs to run/walk one 1.6 mile lap around City Park carrying a baton. One runs […]
Sweetheart Classic
Sweetheart City Racing is excited to once again hold this year’s event. With a race start and awards in Downtown Loveland it will be right in the center of the action of the inaugural Loveland Sweetheart Festival – Love, Locks and Lights. You will love our newly designed 4 mile race course along River’s Edge […]
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.