Sprinting is the new cycling at Mile High Run Club, where running classes are held on a bank of treadmills. Whether you’re a jogger or a marathon contender, you’re bound to feel the runner’s high. 24 W. 25th St.; 28 E. Fourth St., 212-466-6472
The best (and most enjoyable) way to burn some serious calories? Bust a move. Broadway dancer and Radio City Rockette Amanda Kloots brings 45 minutes of nonstop, high-energy choreography to her class, The Dance, at Bandier’s Studio B. 164 Fifth Ave., 917-408-4617
You’ve heard of Exhale’s Core Fusion barre classes. But if you’re ready to kick your routine up a notch, try Core Fusion Extreme—a high intensity interval training session that packs a major fitness punch with cardio, suspension and weight training, and stretching. Visit exhalespa.com for locations throughout the city.
At the new Box + Flow, founder Olivia Young brings together an unlikely fitness pair: boxing and yoga. Think one-part bob-and-weave and one-part downward dog—the best of both worlds. 55 Bond St.; email@example.com