Originally Posted by rubiksoval

No, it doesn't. Age and fitness really have nothing to do with it.

The whole 20 minute test was NEVER about 20 minutes anyway; it was about a 5 minute blow out effort and THEN 20 minutes max and THEN using the .95 multiplier which provided an estimate that may or may not be particularly relevant to any particular person.

The 20 minute test needs to go far, far away. It really has little to do with anything other than what you can do for 20 minutes.