If you could only do one workout to gain fitness, hills would be your answer. A truly magical training tool, hill work helps you develop aerobic endurance akin to long runs, while building muscular ...

Hill workouts are sometimes referred to as "strength training in disguise" because running uphill against gravity is a form of resistance. Running hills is a great way to strengthen the muscles in ...

Training for a marathon? We spoke with experts to figure out whether hill repeats or tempo runs are the fastest path to race-day speed.

Love ’em or hate ’em, hills are your friend. Whether you’ve picked one of the toughest run courses in triathlon or a race with a pancake-flat run, you should include hill workouts in your training ...

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 ...