Hannah Hartzell

Whether you’re sticking to sidewalks or braving the sand, here’s what you need to know to avoid injury on the most common running surfaces.

Three vloggers you don’t want to miss, plus some other YouTubers we can’t get enough of.

When the winter weather gets dreary, try any one of these workout alternatives to stay active.

Two years after she fell off a cliff while fleeing an attacker, Hannah Gavios finished the NYC Marathon.