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I'm Tracey A., the breeder behind K2 RAT TERRIERS (COLORADO) located in Denver, CO. K2 Rat Terriers moved from our mountaintop in Golden Colorado and is now located on a sweet little 8 acre farm an hour northeast of Denver. We focus on health, temperament and intelligence.

Why did you start breeding?
What makes your program special?
What are the different breed coat colors in your program?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.
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Girl 1
Female
Tracey has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

“Deposits are for reservations. Please contact us d2trk@msn.com for pricing and reservation details. I will email details for deposit. Please email at d2trk@msn.com or text 303.898.5999.”
Tracey may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Tracey offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Tracey directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from Tracey.
Meet in Denver, CO
1431 miles away
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Meet at Denver Airport
1447 miles away
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Flexible meeting point
Tracey can meet at a location that works for both of you
Club memberships
Tracey is a member of Rat Terrier Club of America.
Certifications & recognitions
AKC Breeder of Merit, AKC Breeder with H.E.A.R.T., AKC Judge, UKC Judge, ARBA Judge, ICE Judge, AKC Judges Education Coordinator.
Tracey has been a member of Good Dog for about 6 years
Tracey was screened for responsible practices and has been a member since 2020.

K2 RAT TERRIERS (COLORADO) meets or exceeds our community standards in these areas:

Rat Terrier
About "Z"
"Z" is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About CAM
CAM is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Easy
Easy is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Gideon
Gideon is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Rory
Rory is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About BUDDY
BUDDY is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About NUGGET
Small but mighty, Nugget is alot of dog in a small package. Her sass is a great balance to Levi's sweet.

Rat Terrier
About Levi
The sweetest boy ever, and his puppies take after him :)

Rat Terrier
About Rave
Rave is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About RIP
RIP is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Abra
Abra is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Kiss
Kiss is a female Rat Terrier. Carefully selected as a great representative of her breed, Tracey decided to make her part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Pip
Pip is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Rat Terrier
About Buddy
Buddy is a male Rat Terrier. Carefully selected as a great representative of his breed, Tracey decided to make him part of their program. Tracey has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Excellent level
K2 RAT TERRIERS (COLORADO) reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Rat Terriers.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Elbow Dysplasia Finals (OFA, BVA, SV, FCI)
Elbow testing reduces the chance of passing down elbow dysplasia, which is primarily found in large breed dogs and can cause arthritis in the elbow joint and front leg lameness.
Eye Certification (CAER, registered with OFA)
Eye testing reduces the chance of passing down a wide range of hereditary eye illnesses including retinal dysplasia, lens luxation, and glaucoma, which can cause impared vision or blindness.
Cardiac Evaluation (registered with OFA)
Heart testing reduces the chance of passing down congenital heart disease, which can cause a range of symptoms ranging from trouble exercising to heart failure.
Patellar Luxation
Knee testing reduces the chance of passing down Patellar Luxation, which results in the kneecap becoming displaced or dislocated and can cause mild to severe joint pain.
Legg-Calve-Perthes (OFA)
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.
Primary Lens Luxation (PLL), OFA/CHIC DNA Repository
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).
Hear what other owners say about working with Tracey to bring home their puppies.
Amy R.
Verified owner · Nov. 2025







I cannot say enough good things about my experience with Tracey! This was my first time using Good Dog as well as working with a breeder, and she made the entire process so easy and reassuring. Tracey is extremely knowledgeable, answered all my questions, and offered helpful tips along the way. She even provided a starter bag with everything I needed for my dog's first week home—including a little blanket with his littermates’ scent to help with his transition. Being able to text her with questions as they came up was incredibly helpful. I would highly recommend Tracey!

Matthew T.
Verified owner · Sept. 2025








Good Dog is such a great site to find breeders and dogs of so many breeds. I was struggling to find rat terrier breeds but Good Dog has multiple breeders to choose from. I spoke to a few but Tracey from K2 Rat Terriers was the clear favorite for me. She was super knowledgeable about the breed and just general questions she was an ale to answer all my questions. She gave me so much helpful information. And our puppy when we got him was better than we could have imagined. He was already crate trained after 9 weeks and sleeping through the night without a peep. Tracey does an amazing job raising her puppies. I will not buy another dog from anyone else.