Boxing has surged in popularity in recent years as a mainstream fitness activity, with many gym chains and health clubs offering classes and equipment for those interested in taking up the sport.

Boxing workouts amount to so much more than just hitting a bag. They’re good for the core, and the punching sequences require mental engagement that sticks with participants long after class is over. ...

They say it takes 21 days to make something a habit. But what about 18 months? That’s how long I’ve been going to Rumble Boxing, and I think this is just a little more than a habit. As cliché as it ...