As the weather turns colder, Jen Forman will do what she's always done to get her runs in: She'll go to her treadmill in her home, press start and run until she's done.
And she will hate every moment of it.
"I will continue to press the speed button to get a treadmill workout done as quickly as possible," said Forman, 38, of Gaithersburg. "But I can't live without it, because if it's snowing outside or I have my kids at home, I can't leave and go for a run."
In its 2016 survey,...