Our fourth edition of the Bodies of Work gallery is an ode to the beauty, power, and strength of the human body. These breathtaking photos highlight the payoff of hard work, determination, and a fit lifestyle. Let this annual feature and these 13 athletes inspire you to always reach for more.

Note: This gallery celebrates the beauty of the human form at its fittest. The shots are artistic but revealing, and may not be for everyone. Please scroll at your own discretion.