Town Races

The Town of Castle Rock Parks and Recreation department hosts multiple family-friendly races each year. These events range from swimming, biking, running, walking, stair climbing, or a combination. Check the tabs below for more information or to sign up for a specific event or series.  

  1. 5K After 5 Series
  2. Tri the Rock
  3. liveBIG/Castle Rock Trail Fest

5K After 5 Run/Walk Series

Prior to enjoying the First Fridays After 5 free concert event, get a workout in with a family friendly theme-based run or walk. The 5K After 5 series includes:

  • July 3 - Patriot Run
  • Aug. 7 - Running of the Bulls 5K
  • Sept. 4 - Castle Rocker 5K 

Last minute check in begins at 5 p.m., and the race / walk starts at 5:30 p.m. and runs along the East Plum Creek Trail.

Running of the Bulls 5K details

The August race theme for this 5K is Running with the Bulls. 

Be sure to dress all in white and be prepared to be chased by “the bulls! We will distribute your red matador scarf to go with your running attire. All you have to do is avoid getting caught! Prizes will be awarded based on most original mozo* running gear. 

Due to the COVID-19 pandemic, several social distancing measures will be in place. Staff will be abiding by all current State heath orders. Race registration will be limited and start times will be staggered. Additionally, participants are encouraged to wear a face covering during the registration process. Those face coverings may be removed once the race begins.                            

Preregistration is $20 for adults and $15 for youth. Day of registration will be available for $25 for adults and $20 for youth. Children under 12 years old are free, but must be registered. Prizes will be awarded to the best dressed.

 Following the race / walk, participants are encouraged to enjoy live music, food trucks and cocktails at First Fridays in Festival Park. More information, including updates on COVID-19 related precautions, is available at

Register at