"The Athlete" by Howard Schartz and Beverly Ornstein
Schatz and Orenstein photographed Olympic-level athletes to get a sense of the diversity of different athletic body types. It’s a reminder that fitness takes many, many forms — depending on what you want to do, your body is going to look different. “Lean” and “muscular” aren’t the only kinds of fit.
This is only a small selection; many, many more can be found here.