I live in Atlanta, so I know all about running in the heat. And you know what? It's not so bad. In fact, if you're smart about it and make some adjustments, summer is a great time of year for running.

I started my “run a faster mile” training in the dog days of summer, which means that, very often, even though I want to train outside, it is around 90 degrees with 70 percent humidity where I live in ...