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 ...

A Washington Township 10-year-old is climbing to new heights in the competitive ninja sports world. Caelin Kaminski won the championship in the mature kids (9- and 10-year-old) division at the 2023 ...

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.

KOCHVILLE TWP, MI — There’s a gymnastics center in Saginaw County offering gymnastics classes for kids of all ages, cheerleading, summer camps and “ninja” classes inspired by a TV show. “It’s like ...