Rylie's Run

Castle Rock, CO

Rylie's Run
Sunday, May 14th 10:30am
Douglas County Event Center, Castle Rock

Join us for a morning of friendship, community, and fitness for all ability levels.
This is a FREE run that honors the spirit of Rylie Guentensberger who died May 26, 2017 and benefits the non-profit established in her name.  All proceeds and donations support Rylie's ARK which is a dedicated to creating a BIG impact through small acts of kindness. 

This event includes a timed 5K and festival atmosphere complete with food, drinks, music, games and vendors. We'll have a variety of food trucks for a Make Your Own Mother's Day Brunch as well as beer and a specialty cocktail.  Make it a day of fun and celebration with us! 


Come out and celebrate with us.  All fees are waived for this race, however donations are gladly accepted.  A suggested donation of $20, for adult racers, helps fund the ripples and waves of kindness at the core of Rylie's ARK. 

The event is free, but we ask you to register so that we can plan accordingly. 

We will be offering a race shirt again this year.  See photo below for the 2023 edition. Registrations with Rylie's Run Shirts, must be placed by April 28th.  We're offering a tank, t-shirt and long sleeve option. Exact shirt color still to be determined.  

Douglas County Events Center (Kirk Hall)
500 Fairgrounds Road, Castle Rock CO 80104
We will be set up in and around Kirk Hall / Fairgrounds Regional Park which is near the outdoor arena. Event hours
10 a.m. -1 p.m.  Race begins at 10:30.

Memory Mile
Be part of the Memory Mile where we will be commemorating loved ones from our community who have been lost.  To participate, create a poster that will be placed along the final mile of the race.  Make a poster, print a picture, add a quote - be creative and have fun!  Please use copies of your pictures, as we can't guarantee the condition of the posters after the race.  

Poster requirements:
Made on foam board not to exceed 18x20
Drop off posters to 3901 Morning Glory Dr, Castle Rock, CO 80109 by MAY 12th.  

 Registration & Packet Pick Up

To streamline race day logistics, we'll offer packet pick up at RNK Running in Castle Rock. Join us:
Friday, May 12th 5:00-7:00 pm
440 Fourth Street
Castle Rock, CO 80104

Race day registration is also available and begins at 9 a.m. on May 14th.  Race begins at 10:30 a.m.

Post Race Celebration
Join us for a post race celebration including food trucks (for a Make Your Own Mother's Day Brunch), music, games, awards and more.  Make it a Mother's Day family affair. 


Want to help? Join our volunteer team. Sign Up Genius for all volunteer spots coming soon.  We'll need people to serve as:
  • Course Marshalls
  • Set Up
  • Tear Down
  • Course Marking
  • Aid Staions
  • Packet Pick Up 
  • Race Day Registration
For additional information on the race or sponsorship opportunities, please contact us at 

Can't join us - but want to support us?
If you can't join us on Mother's Day but want to support Rylie's ARK, please go to the  
Rylie's ARK donation page.  100% of donations benefit Rylie's ARK.  

When & Where

May 14, 2023


10:30 AM

Add to Calendar

Event Schedule

Castle Rock, CO

Kirk Hall - Fairgrounds Regional Park - Douglas County Fairgrounds

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