Jon Bates owns Addicted to Fitness, a gym in Naples, Florida. As a personal trainer, he ends his nights by running 3.5 to 4 miles for both mental therapy and as a way to get his workout in. Bates said his friends give him a hard time about being outside in the humidity and heat when he has access to an air-conditioned gym, but he enjoys his outdoor runs, and the chance to sweat in the fresh air. So last Monday, he set out for his usual run, but on a slightly different route. He told Runner’s World he kept...