Hill repeats are the triple whammy of running workouts. This session is suitable for all levels and types of runners.

Hill running is hard. That's why many of us run around - rather than over - them in training. You might even choose races that are flat in an effort to get a PB and keep your hill time to a minimum, ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I’ve written before ...