But deciding on whether to log your miles under the sun or under your own roof can spark a huge debate among athletes begging the question, Which is better: running on a treadmill or outside?

Compared to outdoor workouts, treadmill sessions aren’t as easily foiled by bad weather, limited daylight or unsafe roads. And that makes them a near perfect solution if you’re looking to run ...

Libby Michalski, founder of She Runs at Night running club, wanted to make outdoor running a more welcoming idea, even in the winter. The group meets every Monday at 6 p.m. outside the Neil ...