Weight-to-strength ratio or Strength-to-Mass ratio are terms used to describe ones physical functionality. We will call it Strength-to-Mass ratio and abbreviate it as SMR. SMR is critical for obstacle racing and functionality in life. Especially as we get older we have to fight to maintain our SMR.
Short definition of Strength-to-Mass ratio:
The next link is an online calculator for strength-mass ratio. I don't like that there is no pull up or lat pull down measurement as being able to pull your body weight up is extremely important in obstacle racing and in life.
The next link is to a paper on SMR levels. The higher your ratio the better your score.
Here is a chart to measure your strength-mass.
The next link is to a book on exercise physiology and some test to measure your SMR.
For more information enter the terms strength-to-mass ratio or weight-to-strength ratio in your favorite search engine.