What to do if you miss a week, have an extra week, can’t get this week’s long run in, and more. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and ...

We made it, folks. Spring marathon training is here! Depending on the date of your race, most 16-week marathon plans started in late October and will continue through February. Whether you’re gearing ...

Thinking of taking the 13.1-mile plunge but not sure where to start? This half marathon plan will carry you from the sofa to the start line—and across the finish, too. This article was first published ...

On the surface, 5K runners and half marathoners have a lot in common: Both lace up their running shoes, consistently pound pavement, and follow a detailed training plan. But when it comes down to ...