On a Thursday morning in July, JaMarcus Coates, 10, bounced off four-angled yellow platforms onto a rectangular swing. “The last part’s hard,” he said, referring to the suspended net cargo bags, which ...

For kids who are looking for a different kind of physical challenge, Durham has a new one for them - USA Ninja Challenge. With ninja warrior-style obstacles, the club is designed for kids ages 4 to 15 ...

North Andover’s Jack Belbusti remembers being mesmerized a few years ago by the jumping, the running, the climbing and, sometimes, the falling down. He was watching the American Ninja Warriors on TV ...