The Gravity Forge Gymnastics and Ninja Warrior Training Center

My kids have trained here for a couple of years, and I can see them improving during the viewing sessions that they have for each class. There are tons of obstacles for them to train on there, and the instructors are fantastic working with the kids. I highly recommend taking a trial class to see how much fun the kids have while exercising and learning new skills.

Had my 9yo daughter's birthday party there. Highly recommend. Everyone had a great time!

I took our small personal training gym to the Gravity Forge to get some training for the Goliathon summer 2020 – it was an awesome experience. We had people with very different levels of age and fitness but everyone was challenged and had a great time. Dan and Matt, the instructors, were extremely helpful and quite honestly amazing in their mastery of the Ninja equipment. I would highly recommend this gym to anyone looking to train for obstacle course events.

Updated 10/06/2021: Dan and his staff do an excellent job of keeping everyone safe and making sure everyone has a great time. The family and I competed at this gym this past Sunday and had an amazing time. I love their coaches and staff who are super friendly and professional. I highly recommend you visit this gym for some ninja fun!
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Awesome ninja warrior and gymnastics gym. I always have fun with every visit 😃

Signed my 11 year old son up for American Ninja courses & he loves it! Their covid protocols go above & beyond what would be expected. Friendly & knowledge staff.

The Gravity Forge is easily the best American Ninja Warrior training center in the Philadelphia area. The obstacles are well constructed and the facility is clean and modern. Dan, the owner, is friendly and personable, as are the rest of the staff. For the serious trainee or the novice beginner, the Gravity Forge is an excellent option for all people wishing to compete or train for American Ninja Warrior.

Fantastic experience for kids of all ages!

Best Ninja gym obstacles & staff in state!
Largest men's gymnastics team in state!
Highest level girl's gymnastics coach in state!
These are all facts not opinions... definitely check out this gym.

My daughter's gym closed for good during the pandemic, but I'm so glad we found Gravity!! She absolutely loves it!!

We had a birthday party for my 7 yr old. Staff was amazing. So friendly and great with the kids!

My kids love going here! My daughter has taken classes for over a year now and her abilities and confidence are soaring!

They have the best coaches and staff. The gym is well equipped, clean and huge.

Great gym! The owner Dan is very nice and offers great advice on how to do the obstacles.

My son LOVES this camp. Last year he tried the half day and this year he's going for two weeks.

Great place to have a party! The team there is awesome to work with!

Nice sized waiting room, with a large tv to watch your kids on

Kids love this place. It's a lot of fun.

They thought me how to learn great tricks

Awesome place, great people!

Nice place😍