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  • What is CrossFit?


Welcome to Crossfit Up Dog.

We provide fitness training for all ability levels, delivered by caring, professional coaches located inside Core Fitness in Myrtle Beach, SC . What happens inside our doors is a combination of the way physical training used to be, and the way we think it ought to be. People work hard and they sweat; for their efforts they increase their strength, power, speed, agility, stamina, coordination, balance, flexibility, cardiovascular endurance, and accuracy.

CrossFit Up Dog provides fun, top notch, CrossFit training focused on helping you meet YOUR individual goals. Whether it’s to lose weight or put on muscle, all workouts can be performed “as prescribed” or scaled to your individual capacity. Whether you are an elite athlete or a couch potato trying to get into shape for the first time, all levels of fitness are not only accepted but encouraged to stop in. You do not have to “be in shape first” to try CrossFit.


Our community at CrossFit Up Dog is built upon a strong respect for work ethic and unconditional support for each other. It is a space where people, who might not otherwise cross paths, share experiences and grow together.

  • Moving home and having to find a new box was nerve wrecking but everyone at CrossFit Up Dog welcomed me with open arms. The staff is amazing and the classes are always a challenge! Everyone is so motivating and fun to be around. I couldn't have picked a better box on the beach to be apart of!

    - Leigh Schwartz

  • I began at Crossfit Up Dog in November, 2013. Over the last 16 months I've lost 60 lbs, completely transformed my health, broken through physical barriers I never thought were possible and gained more new friends than I can count.

    - Zach Brockman

  • Crossfit has changed the projection of my life both physically and mentally. I owe my success to the crossfit community at Core that rallied around me and pushed me to success.

    - Katelyn Guild

  • CrossFit has changed the way I live my life. At Crossfit Up Dog I look forward to getting up and hitting the box, so I can see results day in and day out. I do not always meet my goals, but with CrossFit I have learned to appreciate progress – progress that is tangible.

    - David Neace

  • Core Fitness is an amazing work-out facility. The entire team of staff, coaches, and trainers are top-notch to say the least.

    - Russ Richardson

  • CrossFit Up Dog is a place I can go to get a challenging workout with a great community that supports and encourages me in exceeding my goals.

    - Amy Shroff