Don’t really enjoy sweating? No problem! With about 840 calories per hour for men and 720 for women, swimming deserves a strong third place on my list of exercises that burn the most calories. And if you’ve ever wondered how to lose calories fast and have fun in the process, you’ve got your answer right here! After all, is there a better way of making sure your beach body stays sexy than enjoying one of the best activities summer has to offer!?