The hills in a cross-country race can make or break a runner. Tackling a steep hill when you're tired is a formidable challenge, and your success will depend as much on proper running form as on the ...

If you’ve been trying to get stronger, faster, and just fitter overall, but nothing seems to work, then you might want to consider adding more hills to your workouts. Yes, you will certainly feel the ...

Do you want a 2% grade? How about 8%? Here's how to measure that hill, find one near you, and get a good workout on it. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as ...