The traditional gym, with its mirrors and machines and fluorescent glare, is not for everyone. A growing movement of outdoor fitness groups in Mississippi offers an alternative, turning public parks, trails, and open fields into training grounds under the open sky.

The format is usually some variation on the boot camp: a group workout led by an instructor, combining bodyweight exercises, running, and improvised use of the natural terrain. The appeal is partly practical, no membership or equipment required, and partly atmospheric.

Participants cite the psychological benefit of exercising outdoors, in fresh air and changing scenery, as a major draw. There is evidence that outdoor exercise can improve mood and adherence, and the groups lean into the communal, encouraging atmosphere that keeps people coming back.

The model faces obvious constraints, chiefly the weather, which in a Mississippi summer can be punishing. But for much of the year, the outdoor approach thrives, offering an accessible, sociable form of fitness that costs little and asks only that participants show up. In an era of expensive boutique studios, the free public park has proven a surprisingly durable gym.