Event details subject to change. Please confirm all information via event website.
CMRA Stone House Triple-Cross
Stone House Park 2800 S. Estes St., Lakewood, CO, United StatesThe race will begin just west of Estes St across from the Stone House Park on Bear Creek in Lakewood. It will head west mostly on dirt trails through the creek side trees with a short piece on the Bear Creek bike path. Near the Fox Hollow golf course the route crosses Bear Creek 3 […]
Boulder XC Series I
Valmont City Park 5110 Valmont Rd, Boulder, CO, United StatesEVENTS 9:00AM 10 YEARS & UNDER - 1K 9:15AM 16 YEARS & UNDER - 3K (1 x 1K + 1 x 2K) 9:40AM OPEN - 5K (1 x 1K + 2 x 2K)
Gummball 5K
Riverdale Regional Park 9755 Henderson Road, Brighton, CO, United StatesThe Gummball 5K will be run in honor of our fallen brother, Deputy Heath Gumm. He paid the ultimate sacrifice on January 24, 2018. Within his five years with the Adams County Sheriff’s Office, it’s clear Deputy Gumm touched the lives of not only his colleagues, but the lives of the citizens he served. Our […]
Lions Roar for Fitness 5K/2.5K
Lake Minnequa 1500 Lakeview Ave, Pueblo, CO, United StatesSo What Is the Lions Roar for Fitness 5k/2.5K Challenge? 5K Challenge — Starts promptly at 9:00 a.m. at Lake Minnequa (near CIMS), but please arrive by 8:15 a.m. There will be a shot gun start. Medals will be awarded to all age group winners after the race. 2.5K Challenge – Starts promptly at 9:10 a.m. at […]
Manitou 5K
Fields Park 114 El Paso Blvd, Manitou Springs, CO, United StatesCome celebrate the beauty of Manitou Springs! Race starts and ends in Fields park. Run along the rolling creek, view the art along the Creekwalk, loop the beautiful parks full of murals, sculptures, disc golf, skateparks and more. The path is flat and accessible to all. Run/walk. Bring your family, bring your neighbor, bring your […]
Rise 5K
Assembly Athletic Complex 1390 Shoshone St, Denver, CO, United StatesGet ready to lace up and show your Roadrunner pride at the Annual Roadrunners 5k—our favorite Homecoming tradition! Whether you’re a speedster, a stroller, or somewhere in between, everyone’s welcome to join this fun run, jog, or walk weaving through the beautiful Auraria Campus.
The Pretzel Run
Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United StatesOktoberfest in Colorado!! Owned and managed by a Bavarian Race Director.... The 3rd Annual PRETZEL RUN will move 8 blocks down to Louisville Community Park for a LARGER BIER GARDEN, LIVE MUSIK and 3 Trail Races. 10k, 5k and Kids Mile. (Allows more room for the race) and the park will allow for a huge […]
Rocky’s Backyard Ultra
YMCA of the Rockies - Estes Park 2515 Tunnel Rd., Estes Park, CO, United StatesRocky's Backyard Ultra is a challenging Ultra Trail race hosted in beautiful Estes Park, Colorado. We strive to host a challenging event that is welcoming and motivating to all. "One More Lap" The Backyard Ultra is a form of Ultra Trail race where runners must complete 4.167 miles in less than one hour, every hour, until only one […]
Canceled bRUNch Run 5K/10K
Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United StatesThe bRUNch Run ™ is back! Join us in Denver for the most epic and delicious 5K + 10K run/walk. (There is also the 15K)! Think road race meets food festival... join us for a morning of cheering runners on, finish line high fives and hugs, tears of joy, the only race with a scented […]
Westy Half and 5K
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesJoin the WESTY HALF and 5k this fall! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. Whatever distance you're ready to tackle, we'll be there with you to celebrate at the finish line! This is one of the few 5k events where FINISHER […]
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.