If you’re planning a 5k race as one of your goals for the year, this track workout is great training. The ladder workout below is a solid approach to speed training. It is a natural workout to ...

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. Cardio is good for us, ...

Capt. Connor Luttrell, a general dentist assigned to the 39th Operational Medical Readiness Squadron, performs a shuttle run during the Titan Combine event at Incirlik Air Base, Turkey, June 26, 2021.

Whenever I get the itch to work out, I often stand around and wonder where to start. Do I feel like running? Going to the gym? Doing yoga? And even then, what kind of yoga? It’s why I was intrigued by ...

Whether you’re training for your first or fastest half marathon, adding speed to your training can be a little intimidating, especially if you’re tackling the distance without a coach or experienced ...