USA Ninja Challenge specializes in youth fitness and confidence building by offering obstacle course training programs for children ages 2-17.

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 ...

Sign up for the Concord Monitor’s morning newsletter for essential news each day, and our contests and promotions list for special offers and giveaways. At the USA ...

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 ...