Sometimes the simplest thing is the best option and nothing is simpler than ruck marching. It burns almost as many calories/hour as running.

In a modern context, nothing will condition you for hiking better than going on walks while carrying a load in a pack.

I've been coaching athletes for a long time and I've distilled my philosophy down to a few key ideas. Goal is to get the most ROI.

New to exercise, this is for you. It covers the the principles of training and program design.