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Rex/Run 5k for Pawsitivity
Rex/Run 5k for Pawsitivity
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  • Our Cause
  • Race Day
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  • Honorary K9 Deputy
  • More
    • Home
    • Our Cause
    • Race Day
    • Our Sponsors
    • Be a Sponsor or Vendor
    • Honorary K9 Deputy
  • Home
  • Our Cause
  • Race Day
  • Our Sponsors
  • Be a Sponsor or Vendor
  • Honorary K9 Deputy

Join us for a pawsome time

Join us for a pawsome timeJoin us for a pawsome time

September 6, 2025 | Arapahoe County Fairgrounds

Register Now!

4th Annual RexRun

 At the heart of the 4th Annual RexRun for PAWSitivity is a powerful purpose: to inspire hope, promote mental well-being in children, and strengthen the bond between our community and the K9s and Officers who protect it. 

Join us for a day of fun for the whole family

  

On September 6, 2025, at the Arapahoe County Fairgrounds, we're bringing together families, law enforcement, and local businesses to create a safer, healthier future - one step at a time!



RexRun For PAWSitivity 5K Trail Run/Walk

Join  us  for  a  fun  filled  day  focused  on  physical  &  mental  wellness,  family, fun and our furry friends.


Dog & Family Friendly Activities  include:

  • 5k trail run
  • 5k trail walk
  • 1 mile kids run
  • Kids obstacle course - Sponsored by FitRepublic  Southlands
  • Pancake Breakfast - Sponsored by FOP Lodge 31
  • Silent Auction
  • Live Auction
  • Vendor Fair
  • Therapy K9 meet & greet
  • Police K9 demos



Have your k9 companion sworn in by the sheriff

Do you have a loyal and honorable companion at home who dreams of being a Police Dog?


At RexRun you can fulfill their very dream. A package complete with a badge, personalized certificate and live swearing in ceremony with Arapahoe County Sheriff Tyler Brown!

Learn More

Deputies and K9s we support

Deputy John Gray & K9 Rex

Deputy John Gray and Rex are Arapahoe County Sheriffs Office School Resource Officers assigned to Littleton Public School District  elementary schools. 


Rex is a black Labrador Retriever, who is a trained and certified Therapy/explosive detection K9.  Rex loves spending time with people, loves to play and most of all loves to work!   


Follow Rex on his Instagram @Arapahoe_Rex_SRO.

Deputy Adam Nardi & K9 Riley

Deputy Adam Nardi and Riley are Arapahoe County Sheriffs Office School Resource Officers assigned to Cherry Creek Public School District. elementary schools.


Riley is a black labrador retriever,  who is a trained and certified Therapy/Firearms Detection K9.  Riley loves to play with his uncles Rex and Zeke. 


Follow Riley on his Instagram @Arapahoe_Riley_SRO

Deputy Travis Jones & K9 Zeke

 Deputy Travis Jones and Zeke are Arapahoe County Sheriffs Office School Resource Officers assigned  to Littleton Public schools at Newton Middle School.


Zeke is a black Labrador retriever, who is a trained and certified Therapy/Electronic detection dog.  Zeke likes to hang out with his brother Rex and work for treats .  


Follow Zeke on his Instagram @Arapahoe_Zeke_SRO.

Deputy Candace Gray & K9 Bear

Deputy Candace Gray and Bear are Arapahoe County Sheriffs Office School Resource Officers assigned to Cherry Creek Public School District Elementary Schools.  


Bear is a chocolate Labrador Retriever, who is in training to be a dual purpose K9, and is in training to be a Therapy/explosive detection K9.  


Follow Bear on his Instagram @Arapahoe_Bear_SRO

Deputy Drew Matthews & K9 Otis

Deputy Drew Matthews and Otis are Arapahoe County Sheriffs Office School Resource Officers assigned to Byers High School/Deer Trail High School. 


Otis is a black Labrador Retriever who is in training to be a firearms and explosives detection K9 as well as a Therapy K9. 


Follow Otis on his Instagram 

@Arapahoe_Otis_SRO

Sheriff’s Office Patrol K9 Unit

RexRun and Back the Blue K9 Force also support the Patrol K9 Unit at the Arapahoe County Sheriff’s Office. These dedicated K9s and their handlers patrol communities in Arapahoe County, helping keep citizens and deputies safe.


Nuke, Atlas, Doc, Bodhi, Rust and Voq are trained in a variety of disciplines to include apprehension, tracking and finding drugs, explosives and other evidence.


Follow the Sheriff’s Office on Instagram @arapahoeso

We strive to teach our youth empathy and compassion through the role of a school resource officer and are more effective in this mission everyday with the help of Rex, Zeke, Riley, Bear and Otis.


Deputy John Gray

Our Upcoming Registration Events

RACE DAY!

2025 planning is already in full swing. Can't wait to see you!

    See you September 6th

    We can't believe it's almost here!

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    Thank you to everyone who made RexRun for PAWSitivity a success. Check back soon for details for 2025!

    • Our Cause
    • Race Day
    • Our Sponsors
    • Be a Sponsor or Vendor
    • Honorary K9 Deputy
    • SRO K9 Book NOW AVAILABLE

    RexRun For PAWSitivity

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