Hoofin' It Through the Hollows 5K

Hoofin' It Through the Hollows 5K

Saturday, October 23, 2021  @  5:45 PM   •  5k


6315 S University Blvd, Centennial, CO    view map

Registration closed:

Online registration is closed.  The Trick or Treat Trail event is sold out.  Registration for the 5K will be available beginning at 4:30pm on race day.


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 for the costume contest before the race at 5:15pm.

1 Mile (ish) Trick or Treat Trail for kids 12 & under.  Trick or treat throughout the park to designated spooky spots on the trail map.  Participants will need to register for this event specifically, as it is separate from the 5K race.  One parent/guardian is encouraged to join, but does not need to register themselves.

Costume Contest Categories that will be judged:
Best Group
Best Little Monster (a.k.a. kiddo 14 years old or younger)
Best Owner/Dog Duo
Best Homemade Costume
Best Couple

Awesome Post-Race Party that includes:

  • S'more roasting sponsored by Trader Joe's
  • Beer Garden sponsored by HalfPenny


 Event Timed

 Food and Drinks


 Kids' Activities



Course maps:

 Hoofin' It Through the Hollows  


Parking is available at the Goodson Recreation Center, the deKoevend Parking Lot (southeast intersection of University Blvd. & Josephine Way) & at the former South Suburban Ice Arena (6580 S. Vine St. Centennial, - Arapahoe Rd. and Vine St.)

Awards info:

Overall Male & Female

Awards for 1st, 2nd, and 3rd place in age/gender categories: Female 9 & Under, Female 10-14, Female 15-19, Female 20-29, Female 30-39, Female 40-49, Female 50-59, Female 60-69, Female 70+, Male 9 & Under, Male 10-14, Male 15-19, Male 20-29, Male 30-39, Male 40-49, Male 50-59, Male 60-69, Male 70+

Race Shirt

Style: Bella + Canvas, unisex sizing.  
$12 optional purchase available at checkout when you register.  
Shirts have Sold Out. Previous years' shirts will be available for purchase at the merchandise tent on the day of for a discounted price. 

Race Day Fun

Awesome Post-Race Party


  • S'more roasting sponsored by Trader Joe's
  • Beer Garden 

Packet pickup:

Pre-Race Packet Pickup (must register by Wed 10/20) to be eligible)

Wednesday, 10/20 from 4pm - 6pm at the Sports Complex (4810 E County Line Road, Littleton, CO 80126)

Thursday, 10/21 from 4pm - 6pm at HalfPenny Brewery (5150 E. Arapahoe Road Unit D1-B Centennial, CO 80122)

Day-of packet pickup will be available beginning at 4:30pm.

Registration info:

Online registration closes at midnight on 10/21.  Race day registration will be available for the 5K beginning at 4:30pm on race day.  $20 for adults, $10 for youth. 

Runners registering on race day will have the option to purchase shirts based on size and quantity available on site.

Refund Policy

Completed registrations are non-refundable.  Registrations may be transferred to another runner two days prior to race day by contacting the race director.  In the event the State or local health department issues a mandatory “Stay at Home” order, or mandates the closure of certain programs and/or facilities, participant(s) of this race will adjust to a virtual format.  Refunds will NOT be issued. 


We will do whatever we can to hold the event in any weather conditions.



Online registration is closed.  The Trick or Treat Trail event is sold out.  Registration for the 5K will be available beginning at 4:30pm on race day.