It's a humbling time of year for treadmill haters. You can spot us in the gym on frigid days, heads hung low, refreshing our weather apps to see when it's going to get warm enough to hit the roads ...

Nothing beats running outdoors, but when the weather takes a turn for the worse, it’s far more convenient to jump on the treadmill, isn’t it? Not to mention, it’s a great starting place if you’re a ...