Old Man Winter Rally 5K/10K

Bohn Park 199 2nd Ave., Lyons, CO, United States

Bundle up and get ready to run and/or ride Colorado's best mixed terrain at the Old Man Winter Rally in Lyons on February 6th. Runners can crush the 10K course of single track trails, red rock canyon and gravel paths while riders can choose a 50K or 100K of dirt, snow, climbs and thrills! With a ragin' after party with hot food and cold beer, what more could you want?

$49
Event Series RMRR Trophy Series

RMRR Love on the Run 11K/5K

Centennial Park - Englewood 4630 S Decatur St, Englewood, CO, United States

Everyone – 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 […]

Event Series Winter Six Pack Series

Winter Six Pack Series #5

Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

Join us for a fun progressive series in Westminster! Series participants will enter at their own pace - running a 1 mile race in the first event and adding a mile at each event to complete a full 10k (6.2 Mile) race at the end of the series. This Series is designed for the entry […]

CMRA Forty Furlongs

Road Runner Sports Westminster 10436 Town Center Drive, Westminster, CO, United States

This is a flat out-and-back 5 mile course on Westminster's trail system (nearly all concrete path). Start and finish will be at Sensory Park. The route starts outbound on Walnut Creek Trail heading East. Shortly before mile 1 the course makes a left onto the Big Dry Creek Trail. The Big Dry Creek trail travels under […]

Event Series Parker Recreation Run Series

Love ’em or Leave ’em 5K/10K

Salisbury Park 11920 N Motsenbocker Rd, Parker, CO, United States

Will you embrace the holiday full of heart or run from Cupid? Either way, you're going to LOVE this fun and festive workout with family and friends...oh, and those pancakes! Part of the Parker Parks and Recreation Run Series, this event is professionally timed. Registered participants will receive a race shirt, race bib and a […]

Event Series South Suburban Race Series

Super Sunday Fun Run

Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United States

Are you ready for some…running? Bring 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 […]

$30

Super Half Marathon

Downtown Colorado Springs 121 S Tejon St, Colorado Springs, CO, United States

The streets and trails of downtown Colorado Springs are not exactly the "Frozen Tundra of Lambeau Field" but on Super Bowl Sunday, Feb.12, 2023, more than 1,500 runners will race for paydirt there in the 11th Super Half Marathon & Game Day 5K. This is Colorado Springs' Super Sunday Tradition! We have a flat and […]

Running Up for Air

Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

Running Up for Air unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events and strategic partnerships, every vertical foot run and every hour volunteered amplifies support for nonprofits dedicated to air aquality solutions, turning even small donations into […]

Stories Trail Runs

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

The Stories Trail Runs is a unique winter trail running adventure taking place in Colorado Springs, CO against the breathtaking backdrop of Cheyenne Mountain, and “America’s Mountain” Pike’s Peak, with sweeping views of the Colorado Front Range below. This event features an amazing community atmosphere made possible by our main staging area/aid station at the […]

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.