Rumble Boxing, a boutique fitness brand known for its high-energy workouts and ’90s hip-hop vibe, was born in a city. But since its Big Apple founding in 2017, the franchise has expanded to 25 studios ...

STATEN ISLAND, N.Y. -- Rumble Boxing, the celebrity-backed group fitness concept that operates more than 350 locations across the country, will soon open its first Staten Island location.