New York City has always had its outdoor fitness culture — the runners in Central Park at 6am, the weekend cyclists on the Hudson River Greenway, the basketball courts in Riverside Park that operate year-round regardless of weather. But in recent years, a new phenomenon has taken hold: structured outdoor group fitness classes that operate in public spaces and have become, for some visitors, an attraction in their own right.

The classes range from yoga sessions on the High Line to bootcamp workouts in Bryant Park to organized runs departing from running stores in various neighborhoods. Many are free or donation-based, a departure from the premium pricing of Manhattan's indoor gym culture that makes them accessible to people who couldn't or wouldn't pay $40 for a boutique fitness class.

What makes them tourist-worthy, beyond the workout itself, is the setting. Exercising in public in a city means exercising alongside the city — catching fragments of conversation, watching the neighborhood wake up, sharing space with people of every conceivable background and fitness level. The anonymity of the urban environment creates a paradoxical sense of community that enclosed gym spaces struggle to replicate.

For visitors to New York, joining one of these outdoor sessions offers something that conventional tourism doesn't: the experience of the city at ground level, as an active participant rather than an observer. The workout is secondary. What people remember is the sense of having been, briefly, part of the place rather than passing through it.

Several websites and apps now aggregate free and low-cost outdoor fitness events in New York and other major cities, making it easy to find sessions aligned with any schedule or fitness interest.