RunDenver Series 2021/2022 Season

9786 S. Holland Street, Littleton, Colorado, 80127, USA



**Due to extreme ice conditions on the race route, That Dam Run is canceled this morning.  

Watch your email for further information in the coming days.

It is time to RUNDENVER at 5280!

Get and stay motivated through the winter months taking on the fun and challenges of the five great events that make up the RunDenver Series! Denver's iconic and longest-running (pun intended) Run/Walk Series!


  • Dec. 5 - Rudolph Ramble 5K 
  • Jan. 16 - Polar Bear 5K
  • Feb. 6 - SuperBowl 5K
  • Feb. 13 - Valentine's Day 4 Mile
  • March - 6 - That Dam Run 13.1, 10K, and 5K! 
  • Virtual-guarantee program: Can't make it to one of the events?  No problem, just let us know prior to event day and you can switch to virtual for that event and still earn your swag.

SCHEDULE OF EVENTS (all events except That Dam Run)

  • 8:00 AM - Registration/Packet Pickup opens
  • 8:40 AM - Free Kids Fun Run Start (200 meters)
  • 9:00 AM - 5K Run/Walk Starts
  • 10:00 AM - Awards/Contests


  • 7:00 AM - Registration/Packet Pickup opens
  • 7:40 AM - JB's Free Kids Fun Run Start (200 meters)
  • 8:00 AM - Half Marathon Start
  • 8:30 AM - 10K Start
  • 8:45 AM - 5K Start
  • 10:00 AM - 10K and 5K Awards, Race Walk Series Awards
  • 10:30 AM - RunDenver Series Awards

Times listed here are subject to change based on local requirements at the time of the event.  If changes are required those details will be made public closer to event day.


  • 🥇SWEETEST MEDALS EVER! - every event will have a custom finisher medal for all finishers (See below for this year's totally Mile High Epic Medal)

  • 🏆Top of the line swag for each event (branded per event)..poly blend tech shirt, knit hat, gloves, and more. You'll be decked out from head to toe in great RunDenver gear.
  • 😜FUN with our amazing running community!
  • 👾Free Kids 200 Meter Fun Runs
  • 😋Refreshments
  • 🌟Register for the entire 5 event series by the first event (Rudolph) and you will get an amazing Run Denver Series DUO Branded Hoodie and  Medal Wooden Display Board!!!
  • 🏃🏼‍♀️Oh, and of course FUN!
  • 📸Free Photo Downloads
  • 🏃🏼‍♀️💕Did we mention Fun?!?!?!

Series swag (Duo RunDenver branded Hoodie and medal wooden display board) orders will be final at noon on Rudolph Ramble event day so don't miss out on signing up for the ENTIRE FIVE (5) event series. These items should be available in February!  Series swag (Duo RunDenver branded Hoodie and medal wooden display board) are only available to those that pre-register for the full series (all 5 events). Four (4) pack deal does not include the series swag items.

SERIES BENEFITS When you sign up for the whole series (all five events), you get these additional benefits.

  • Special "series only" registrant check-in at each event.
  • When you register for the series, you will get the best pricing!
  • If you can't make it to one or more of the events, no worries, we've got you - let us know and we will hold your materials so you can pick them up at the next packet pickup or event! 


Compete in one or all of the RunDenver Series events. How you finish will determine your points for each event. We will award the top three (3) males & females overall and age groups a special prize for the best series performance in the Run and 5K Racewalk!


The RunDenver Series is the original running series in Colorado and has been a staple for over three decades. Produced by HAL Sports, the series promises a fun time through those winter months motivating you to stay or get active.


The RunDenver Series is proud to support Girls on the Run of the Rockies and Crohn's and Colitis Foundation of America. Learn more at


We couldn't do this without tremendous support from the community.  If you are interested in volunteering, or know someone who is, please visit our volunteer signup page!

Registration fees are non-refundable.  Series registrations are not transferrable.