Event details subject to change. Please confirm all information via event website.
Sweaty Sweater 5K
Foothills Mall 215 E. Foothills Parkway, Fort Collins, CO, United States5k Run/Walk – 9:00 am Kid’s 1-Mile – 10:00 am 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 are walking with friends, running for an award or even prancing towards the finish line […]
All-Out Fa La La
Church Ranch Office Park 10170 Church Ranch Wy, Westminster, CO, United StatesDash through the snow (or not snow) at Fa La La! Along with its Endless Series sidekick in July… Dog Days, the majesty of our breathtaking Flatirons as a backdrop will inspire you every step of these 5K, 10K & Half Marathon courses along Big Dry Creek Trail… well known as a Colorado favorite. Bring your festive […]
Toy Drop
5030 Local by Berthoud Brewing Company 1480 Cascade Ave, Loveland, CO, United StatesEach race will run through a part of Loveland we haven’t highlighted until this race. Bring a new, unwrapped toy to the start line and be ready for the “drop”. You can pick which distance you want to run!
Chasing Santa 5K
First Tech Federal Credit Union 5725 Mark Dabling Blvd, Colorado Springs, CO, United StatesCelebrate Christmas with a 5k Run/Walk. This holiday event is designed for the whole family. Instead of your race day "T" shirt, you will receive a complete Santa Suit, Pants, Jacket, Belt, Hat and of course a Beard, yours to keep.
Catfish Flats
Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United StatesWe 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.
Ugly Sweater 5K
Left Hand Brewing Company 1265 Boston Avenue, Longmont, CO, United StatesJoin us for The Ugly Sweater 5k on December 6, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Longmont. Run, walk, jog - whatever goes! Complete the course and celebrate with us and a FREE, local craft brew at the finish line. Wear your best ugly sweater […]
Jingle Jog 5K
Mountain Tots Pre-School 236 W 3rd St, Eagle, CO, United StatesJingle Jog is a fun run event to support Mountain Tots fundraising goals. The event will include a 1K kids fun run and 5K route option for participants. Starting in historic downtown and the same day as Christmas on Broadway this race will be joy to all young and old and is a fantastic way […]
Onesie Dash
The Tavern at Red Feather Lakes 1078 Ramona Dr, Red Feather Lakes, CO, United StatesEnjoy 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 Red Feather Lakes and end back at The Tavern for a hot cocoa and s'mores bar and then we'll all walk into town (3 min […]
Race Of The Santas 1M
Canteen Tap House 208 N Main St, Breckenridge, CO, United StatesStart 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 N. Main Street) and finishes in Blue River Plaza just in time for the Lighting of Breckenridge. The first 700 registrants receive a commemorative socks with registration. […]
Summit For Life
Aspen Mountain 601 East Dean Street, Aspen, CO, United StatesJoin 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.
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.