Rumble Boxing: One of nation’s leading group workouts


SAN FRANCISCO (KRON) – A boxing-inspired group fitness is taking off in the Bay Area. 

Keisha Saddler joined KRON4 to talk about Rumble, one of the nation’s leading workouts.

In the final months of 2019, it’s not too late for people to start getting in shape.

Try the 45-minute strength training and conditioning workout at 180 Sansome Street in San Francisco.

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