All-Out Mardi Crawl

Apex Center 13150 W 72nd Ave, Arvada, CO, United States

From the award winning Apex Center, these 5K, 10K & Half Marathon courses will run west along the 2020 Best of the Best Ralston Creek Trail through Arvada's open spaces and stunning golf course communities, shady, creekside beauty and a NEW relatively gentle half marathon course around Long Lake Regional Park. With its Endless Series counterpart Runapalooza, […]

Event Series Winter Six Pack Series

Winter Six Pack Series #6

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 […]

Snow Queen 5K/10K

Cañon City Area Recreation and Parks District 575 Ash St, Cañyon City, CO, United States

The Snow Queen Frosty February 5k/10K is back! Join us for the 6th annual event! This year, we're headed back to the Riverwalk, starting and ending at the Cañon City Area Recreation and Parks District's Community Room. The 5K and 10K courses will head west on the Riverwalk, highlighting beautiful views of the river, the […]

Far Out 3/4 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.

Event Series PPRR Winter Series

PPRR Winter Series IV

America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

The series consists of four progressively longer (LONG AND SHORT) races. Please note: You must choose your distance when registering. The Long Race starts at 10:00AM. Short Race starts at 10:20AM. The courses are gravel/paved roads, packed double-track, and some single-track trails, which may or may not be snow-packed, icy, muddy, rocky, slushy, uphill and/or downhill. Altitude […]

Event Series Colorado Brewery Running Series

Two22 Run

Two22 Brew 4550 South Reservoir Road, #Suite 1300, Aurora, CO, United States

Join us for The Two22 Brew 5k. This event will feature a 2.22-mile, and a 4.44-mile option. Complete the course and celebrate with us and a FREE, local craft brew at the finish line. Start waves for the 2.22-mile run will be available at 10:00 AM & 10:30 AM. Runners completing the 4.44-mile run must […]

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 […]

$40.00

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 […]

Highlands Ranch 5K/10K

Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United States

Winter never disappoints us when racing in February in Highlands Ranch! You won't feel chilly after a course so hilly! After conquering the 5k or 10k distance, warm up with hot apple cider or hot cocoa at the finish line in your new FINISHER mug!

Event Series PPRR Nielson Challenge

PPRR Nielson Challenge

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Race 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 […]

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.