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 […]

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 […]

Sweet Heart Run

Fruita Community Center 324 N Coulson, Fruita, CO, United States

10K Starts at 10:00AM & 5K Starts at 10:30am (Course is Out & Back along the Fruita Trail System on Concrete) (NO DOGS ALLOWED FOR THIS EVENT!)

Uncle Clyde’s Run & Slide

Purgatory Resort 1 Skier Place, Durango, CO, United States

Get ready for the wackiest race ever in Durango! It’s on the tubing hill. Run up… tube down. Repeat! Most laps wins! Oh, and it’s a relay race!

Sweetheart Classic

Loveland Aleworks 118 W 4th St, Loveland, CO, United States

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 […]

Brewery Running Series Kickoff

Barquentine Brewing Company 5505 West 20th Avenue, Edgewater, CO, United States

We are kicking off the 2024 season of the Colorado Brewery Running Series with a fun day of sales and ales at our 2024 Kickoff Party with Barquentine Brewing and the Edgewater Marketplace! Registration for this event is free, but it is also limited, so sign up today! Join us at Barquentine Brewing on February `17th anytime […]

Cupid’s Undie Run

Stoney's Bar & Grill 1111 Lincoln Street, Denver, CO, United States

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 grow on nerves throughout the body. Cupid’s Undie Run kicks off with drinking and dancing, then we jog it out with […]

$40

Bacon Strip Race

Bacon Strip - CR 13 and CR 52 7099 County Road 52, Fort Collins, CO, United States

The Bacon Strip Races were the creation of our late friend, Jane Welzel. Jane passed on Aug 31st, 2014 and while she can not be here physically to cheer us on, she will be there in spirit. She loved to compete but more importantly, she loved being with friends and she would have wanted this […]

Lucky Dog Dash 5K

Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

Lucky to be a dog owner?  Show your love with the Lucky Dog (Owner) Dash! This is a 5k Run with (or without) your lucky dog during the luckiest month of the year!

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.