Duck Waddle 5K

Estes Park Visitor Center 500 Big Thompson Ave, Estes Park, CO, United States

This spring time foot race kick-starts the Estes Park Rotary Club’s DUCK RACE FESTIVAL!  The DUCK RACE is a major fundraiser for charities in Estes Park. The DUCK WADDLE 5K race begins at east side […]

Federal Cup 5K

Bicentennial Park - Lakewood Corner of 4th and Main St on Denver Federal Center Campus, Lakewood, CO, United States

COME JOIN US FOR THE 2024 FEDERAL CUP 5K! This will 39th Running of the Federal Cup 5K. Each participant gets a snapback trucker hat! The 2024 Federal Cup 5K […]

We Care 5K

Weld Central High School 4715 County Road 59, Keenesburg, CO, United States

Join us for our  We Care "Chili Chase Fun Run. This is an UNTIMED fun run/walk and will be approximately 5K. The event will be held on Friday, April 28th […]

Bulldog Bustle 5K

Arvada High School 7951 W 56th Ave, Arvada, CO, United States

Taco Trot 5K

Iron Horse Park 6151 Elwell Street, Fort Carson, CO, United States

This festival features an in-person 5K fun run with of course...tacos! Enjoy local vendors, entertainment, and food and beverages for purchase as you cheer on your friends.

Run for the Trees

Mahaffey Park 3285 W 22nd St, Loveland, CO, United States

We’re helping Parks and Rec celebrate Loveland's Arbor Day. Come enjoy food trucks, live music, and a 2 mile fun run to help raise money for the tree planting fund. […]

Hayden Cog Run

Hayden Town Park 229 South 3rd Street, Hayden, CO, United States

The Hayden Cog Run is one of the longest consecutively run races of the Steamboat Springs Running Series and in the state of Colorado! This is a Routt County Classic […]

Run for the One 5K

Red Leg Brewing Company 4630 Forge Rd, Suite B, Colorado Springs, CO, United States

Please join us for our 17th Annual "Run for the One" at Red Leg Brewing Company benefitting our clients and their families affected by Autism in the Pikes Peak Region. […]

GiGiFIT Acceptance Challenge 5K Glow Run

Belmar Park 801 S Yarrow St, Lakewood, CO, United States

Get your glow sticks ready for an incredible evening of inclusion, exercise and fun at the GiGi's Playhouse 5K GLOW Run on May 21st at Addenbrooke Park in Lakewood.

$40

Emerge 5K

Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

The Emerge 5k is our biggest annual fundraiser, and the funds we raise ensure that we can continue to fulfill our organizational mission of breaking the social and financial barriers […]

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.