Kingfisher Half Marathon

Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

Santa Shuffle 5K

Fleet Feet - Littleton 8116 W Bowles Ave, Littleton, CO, United States

Holiday season is just around the corner and nothing says "holidays" quite like a Santa Shuffle race around Clement Park Lake! We are putting on this race with our partners […]

$15

Onesie Dash

The Tavern at Red Feather Lakes 1078 Ramona Dr, Red Feather Lakes, CO, United States

Enjoy a scenic little dash in and around Red Feather Lakes, Colorado! Wear your favorite onesie (and layer it underneath if you need extra warmth!). Start at The Tavern at […]

Ugly Sweater 1 Mile

South Main Square 926 S Main St, Buena Vista, CO, United States

Who's going to run the fastest mile in Buena Vista? We are joining in the celebration of the Town of Buena Vista's Christmas Opening with a family friendly 1 mile […]

Race Of The Santas 1M

Canteen Tap House 208 N Main St, Breckenridge, CO, United States

Start the winter festivities in Breckenridge by lacing up your running shoes for the RACE OF THE SANTAS! The race kicks off on Main Street directly in front of the Canteen Tap House (208 […]

Summit For Life

Aspen Mountain 601 East Dean Street, Aspen, CO, United States

Join the Summit for Life on December 4th. In this exciting event, participants race from the base of Aspen Mountain all the way to the top! Racers will climb 3,267 vertical feet, over the course of 2.5 miles—at night! Dinner will be provided by The Little Nell at the summit.

$50

Rock Canyon Half Marathon

City Park - Pueblo 800 Goodnight Ave, Pueblo, CO, United States

It is exciting to bring you another exquisite day of racing alongside the scenic Arkansas River! This is a fast course that starts in Pueblo's City Park and takes you […]

Jingle Bell Run

Washington Park - Denver 701 S Franklin St, Denver, CO, United States

Be part of the original festive race for charity and signature Arthritis Foundation holiday event! Wear your favorite holiday attire and together, we’ll jingle all the way to a cure! […]

Event Series Front Range Freeze

Sweaty Sweater 5K

Foothills Mall 215 E. Foothills Parkway, Fort Collins, CO, United States

Calling all Ugly Sweaters… We want to see your most hideous, outrageous, bulky and unforgettable UGLY sweater running the Sweaty Sweater Race. This is an event for everyone, whether you […]

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.