CSU Homecoming 5K

CSU Oval Fort Collins, CO, United States

The Homecoming Race will take place on the Oval for our traditional course. All ages and abilities are welcome. Proceeds from the Homecoming Race benefit the ongoing research efforts and outreach engagements offered by the Department of Health and Exercise Science. HES is committed to a life-altering education for every one of our 1,400 undergraduate […]

Beware the Bear Trail Races

Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

Run the original Bear Creek Lake Park trail race - the Beware the Bear Trail Races - on October 17th. This trail race consists of a 14.2K or a 5K. Or do them both with the double! There is also a kids 1K.

$30

Race to Cure Sarcoma 5K

Berkeley Lake Park 4601 W 46th Ave, Denver, CO, United States

The Race to Cure Sarcoma (RTCS) is the premier run/walk series in the United States, focused on raising awareness, providing education, and research funds for sarcoma. Each year, the Sarcoma Foundation of America (SFA) hosts more than (20) RTCS events across the country. We provide a unique space in the sarcoma community where patients, survivors, their friends, […]

Trick or Trot 5K

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

Join the Apex Park and Recreation District Foundation for the inaugural Trick or Trot 5K! Runners and walkers of all ages and abilities are all welcome to join us for this Halloween celebration. Dress in your Halloween best for a chance to win prizes for the costume contest. There will be a separate 1-mile Trick […]

Foundry Halloween 5K

Soda Creek Elementary School 220 Park Avenue, Steamboat Springs, CO, United States

A relatively new event to close out the Steamboat Springs Running Series season, bringing people of all ages together to celebrate Halloween in a safe, sober and fun way. The Foundry Treatment Center provides an opportunity for lasting recovery through an integrative body, mind and spirit treatment program. Comfortably located in the majestic Rocky Mountains […]

YMCA Creepy Crawl 5K

Palmer Lake Regional Park 199 County Line Road, Palmer Lake, CO, United States

Our annual "spooky themed" race starts at the Palmer Lake Regional Recreation Area.  We head down the scenic Santa Fe Trail for a bit then turnaround and finish with a lap around Palmer Lake.  This is sure to be a fun day for everyone!  Our Kids Monster Dash Fun Run is for kids 12 and […]

MonsterDASH

Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

Denvers Largest Halloween run...now in its' 6th year.... the ALIENS RETURN for 2024 to Sloan Lake after 2023...no landing because of snow.... ((all 2023 runners get comp'd... so we will have our largest field ever!!) 65% wear costumes...so come dressed up and be ready to save the planet. Runners receive:  Choice of Beanie or Run […]

$35.00

Halloween Fun Run

Clear Creek Middle School 320 Chicago Creek Rd, Idaho Springs, CO, United States

This Halloween, join us for a spooky 5k or 1 mile loop through the Pioneer Cemetery in Idaho Springs!!  Try for a PR or take a leisurely stroll as you trick or treat with the ghouls in the graveyard. DON'T FORGET TO DRESS UP! Our Halloween costume contest gives you even more reason to rock […]

Hallowiener 5K

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

5K: Join us for a Halloween-themed 5K!  Yes, that means we want you to run in your best costume!  Runners will start at South Main in Buena Vista.  You should be on the lookout for some spooky scenes along the river.  This run is stroller friendly!  After enjoying a little jaunt around the town trails, […]

Hoofin’ It Through the Hollows 5K

deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

Runners of all ages and abilities, families, and dogs are all welcome to join us for this Halloween celebration!  Dress in your Halloween best for a chance to win prizes at the pre-race the costume contest before the race at 5 pm.

$20.00

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