RexRun For PAWSitivity 2026 Trail Run/Walk

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Arapahoe County Fairgrounds, Aurora CO

Saturday, August 29th, 2026

🐾 Event Overview

Start Time: RexRun for PAWSitivity 2026 opens at 7:00 am for visitation with dogs and the Vendor Marketplace.
Family 5K: Kicks off at 7:50 am with the singing of our National Anthem.
5K Events: The 5K trail run begins at 8 am followed by the walk at 8:10 am and the kid's run at 8:45 am.
Post-Event: Enjoy a free pancake breakfast at Flippin' Flapjacks food truck!

🎉 Activities & Attractions

Therapy Dog Demonstrations: Experience exciting demonstrations throughout the day.
Costume Contest: Participate in our colorful dog costume contest with prizes!
Auction Opportunities: Don't miss our silent and live auctions.
Kids Zone: Enjoy inflatable activities, lawn games, and face painting.

🐶 Meet K-9 Rex

The star of our event is K-9 Rex, a four-year-old black Labrador therapy dog. He and his fellow K-9s with their handlers go to local schools to primarily offer comfort to students with special needs, many who are in crisis and are dealing with stress, anxiety and depression. RexRun for PAWSitivity 2025 is presented by Back The Blue K-9 Force, a volunteer-run nonprofit organization. It is dedicated to providing funding for safety and training equipment, health care needs as well as expanding the team of K-9s to meet the needs of these communities. 100% of all net profits from RexRun for PAWSitivity 2025 go to Back the Blue K-9 Force.

To learn more about the mission of Back The Blue K-9 Force and how your support benefits the K-9s, go to: Back The Blue K-9 Force.com.

🏃‍♀️ Registration Options

8:00 am: 5K Trail Run
8:10 am: Family 5K Trail Walk (dogs welcome!)
8:45 am: Kids 1-mile Trail Run/Walk

💲 Pricing Details

March 1st - June 30th: $45 + processing fee
July 6th - Race Day: $50 + processing fee

🎁 Special Offers

*SPECIAL* Get a free CO Rapids ticket with the purchase of additional tickets! Every registered racer and volunteer qualify for a complimentary ticket with the purchase of an additional ticket to the rest of the games this season. To redeem, go to your confirmation page after registering for the race and click the link to this CO Rapids special.

It’s another way to show your support for RexRun! $5 of every ticket sold will go back to Rex Run!

🥞 Breakfast Included

The Flippin' Flapjacks food truck will provide breakfasts included in all runner, walker, and volunteer registrations. Meals are available for purchase from 8:30 am to 10:30 am for others.

🎖️ All Registrants Receive

Commemorative T-shirt: RexRun for PAWSitivity 2025
Goody Bag: Full of giveaways
Finishers Medal: To celebrate your achievement
Pancake Breakfast: Included with registration

💡 Fundraising Opportunities

Becoming a fundraiser isn’t required, but we’d love for you to join in! We’ve made it simple to start raising money with your personal fundraising page. You can write your own unique message or use the one we’ve created to share why this cause matters so much! Be a fundraiser!

🦮 Honorary K-9 Deputy

Do you have a loyal and honorable companion at home who dreams of being a Police Dog? Your K-9 companions can become Honorary K-9 Deputies for only $10! Sign your pup up to receive an honorary badge and commemorative personalized certificate. Click HERE to honor your pup!

🛍️ Amazon Gift List

Get involved in RexRun For PAWSitivity by browsing our Amazon gift list for our silent auction basket items. Go to Amazon.com and SHOP, SHOP, SHOP.

🏆 Awards

Awards will be given to the top three male and female runners. The Award Ceremony will be held after the last runners cross the finish line.

🎫 Packet Pick-up

Packet pick up will be the day of the race at registration in the Main Hall, beginning at 7 am.

⚠️ Safety Regulations

All dogs must be on a 6-foot leash at all times: retractable leashes are not permitted. Owners are required to clean up after their pets, with several receptacles provided. Participation with a stroller or dog is limited to the 5K walk and the children’s one-mile run/walk only. Respect law enforcement K-9 units and ensure pets interact appropriately.

🌦️ Rain or Shine

The event will be held rain or shine unless there are extreme weather conditions. If severe weather occurs, you will be directed to safety by our law enforcement officers.