What are the benefits of hill running uphill and downhill?

Lower body strength: Going up and down hills is a terrific way to build up the major muscle groups in the legs and buttocks. It is also a fine cardiovascular exercise. Athletes commonly are asked to run up and down the stairs in stadiums to provide this extra boost rather than just running on the flat.

Many: Works different muscle groups, breathing is often different in terms of the exertion applied, and mentally the change is good for motivation and strength.