SUNBURY, Pa. — It's open gym time at USA Ninja Challenge in Sunbury, and the kids are taking full advantage. The former Edison School in Sunbury was recently turned into a kids-based "ninja" gym.

USA Ninja Challenge opened its doors Nov. 11, and the new business owner of the obstacle-based fitness experience for ...

USA Ninja Challenge will be turning kids into ninjas at its newest location in Chesapeake. The obstacle course training gym for children opened its first Chesapeake location in June 2023 at 4207 ...

Children swing on rings, hoist themselves up cargo nets and balance on one of many foam-shaped pads at the newest ninja gym in the Rochester region. USA Ninja Challenge, which offers a ninja obstacle ...

At the USA Ninja Challenge gym in Concord, kids learn how to swing around on different obstacles and build calisthenic strength while having fun. At the USA Ninja Challenge gym in Concord, kids learn ...

Fox 8's Kenny Crumpton visits USA Ninja Challenge in Twinsburg where young people are enjoying a unique fitness program. USA Ninja Challenge is open to boys and girls ages 4 to 17. The facility is ...

Nine young athletes from a Marlborough, Massachusetts ninja gym are competing in the World Ninja League Tier 1 Championships. The popularity of ninja obstacle courses is growing, with the sport set to ...

The kids' ninja fitness franchise celebrates a transformative year of development, organizational investment and coast-to-coast expansion as the sport prepares for its Olympic future. "Big picture, ...