Category: Expert Running Tips

Richard Diaz, is the founder of diaz human performance with over 2 decades experience in clinical metabolic evaluation of endurance athletes. He also is highly respected for his Running Gait Analysis and correction. Here is where you’ll find conversations on the topic of running skills, heart rate training and performance.

Interview with Bart Yasso, Runner’s World “Chief Running Officer”

Bart Yasso

Bart Yasso is considered “The Mayor of Running”. He is recognized around the world, having competed in running events on all seven continents from the Antarctica marathon to the Mt. Kilimanjaro marathon. A delightful ambassador to the sport of running and Runner’s World “Chief Running Officer”, Infamous for the; not so scientific but highly regarded “Yasso…

Running vs. Gravity

A runner’s greatest energy expense is spent in a vertical plane (opposing gravity).  A runner has to leap 7.5 centimeters in the air (3”) to cover one body length in distance.  A typically well trained marathon runner’s stride length is between 75-90% of their total height. Here are some interesting deal points:  Scientists who measured…