Lift something.

Reformer Pilates studio chain with locations in Manhattan, Brooklyn and Queens. The first 30-minute intro class is free.

Gym chain with cardio and strength floors and group classes. Free one-day pass for first-timers, booked online.

Outdoor fitness equipment in parks and playgrounds across all five boroughs, for exercises like pull-ups, dips and crunches.

Low-cost chain gym with cardio machines, weights and free in-club fitness training. Nine clubs in Manhattan alone.

Chelsea studio for pole and aerial dance (hoop, hammock, silks), with intro classes for people who have never tried them.

Bouldering-only gyms in Williamsburg, West Harlem and the Upper East Side. No experience needed.

Circuit strength and conditioning class at a Gowanus CrossFit gym, open to all levels with no experience required.

Strength gym in Sunset Park with barbell training and 30-minute group strength, conditioning and mobility classes.

Climbing gym in Long Island City with bouldering and rope climbing, plus beginner classes like Intro to Climbing and Learn the Ropes.

Four-floor independent gym in Williamsburg with personal, semi-private and group training. Sells single day passes.

Long Island City climbing gym, formerly The Cliffs at LIC, with bouldering, rope climbing, yoga and fitness, plus intro classes.

Manhattan club with HYROX-style circuit classes, 24/7 open gym and personal training. Intro week for $50.

City-run indoor recreation centers with exercise equipment, gyms, indoor tracks, fitness and dance classes, and (at some centers) indoor pools.

NYC-based chain offering 50-minute full-body classes on the Megaformer, a reformer-style machine with springs. Studios across Manhattan and Brooklyn.

50-minute small-group, low-impact resistance classes on a Pilates-style reformer. Many studios in Manhattan, Brooklyn and Queens.

50-minute interval classes alternating treadmill running and floor strength work, led by a coach.

Large bouldering gym in Gowanus with climbing, a fitness area and daily yoga classes. Formerly Brooklyn Bouldering Project.

Climbing gyms on the Upper West Side (West End Ave) and in Chelsea, with day passes and classes for all experience levels.

Former Blink Fitness gyms, rebranded as PureGym. Many are open 24/7 with weights and cardio, across all boroughs.

Nonprofit Ys across the five boroughs with gyms, pools and classes. Day passes sold at branches; scholarships available.