Welcome to Giant of Hackettstown


 It is our goal at Giant Gymnastics to provide a warm and nurturing environment in which to educate our students of all ages on leading a fit and healthy lifestyle.

We strive to provide a safe and fun atmosphere for our students to learn, play, and grow through gymnastics and other related activities.  Giant Gymnastics and its staff members encourage their students to grow not only physically, but socially as well.  Members are given opportunities to build fit bodies and minds every day!

With 2 Locations, you will be sure to find the program that is right for you and your family.  Let us be the first to welcome you to Giant Gymnastics!


Choose Your Location By Clicking Above

To Learn about Each of our Gyms!



    Breast Cancer Fundraiser
    Hair Extensions and Nails!! Giant Gymnastics of Hackettstown and Sparta will be raising funds for a local Sussex county resident and her family for the entire month of October. Her name is Ashley Keiling, a young mother of 3, ages 3 and under. She was diagnosed with invasive dictator ...
    October OPEN GYMS
    Fridays October 4,11,18,25 7:30-8:30 pm Come join us, bring your family and friends to open gym! Get the most out of your practice and work on those skills that you need a little more time to master. Keep up your workout schedule. Make sure you do a 5 minute cardio before your workou...
    G2N Gymnastics Meets Ninja! The G2N apparatus incorporates the foundation of gymnastics, acrobatics, and free running. This party will start out in the super-sized Ninja Challenge Bounce House Slide which each child will try to beat their own time while jumping and sliding along. Jo...
    G2N Meets Giant Gymnastics
    G2N challenges kids of all ages to be active, creative and skillful!! G2N offers a comprehensive curriculum that incorporates fundamental gymnastics concepts with physical fitness competencies. Look for this new class in our fall schedule! ...

Online Store

Click Here to access our online store for our latest merchandise, gift certificates and special deals from Giant Gymnastics!

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USA Gym Club

usagymclub.com is a site developed by USA Gymnastics to share resources with parent of gymnasts or those who might be interested in getting their children involved in the sport of gymnastics.  usagymclub.com gives parents one place to go to get answers to all of their questions and – through the forum – ask questions of their own.

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Giant Gymnastics - 2 Locations

We have 2 locations! You are on the Hackettstown location, would you like to go to the Sparta location?

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    FRIDAYS August 2, 9, 16. New time 6:30-7:30. Start those pre-season workouts and be ready!! Time to get ready and in shape for the fall sports, and for you gymnast's its time to get ready for your competitive season!! Come on in and brush up on those routines, don't forget your stre...
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