How Much Training Do We Need to Put That Fitness Quality Back Up?

How much training do we need to put that fitness quality back up to a level that's still useful to the athlete? How do you know when it's time? Ok, we ned to pick this back up, ecause it's dropped too much? Well, i think you can w get some of the information that we have as far as speed for instance, is fleeting. So after it may be ten, ten days, 14 days, speed is going to decline. You look at strength and and an endurance a large window of time. We have about forty, five to 60 days. I think you have to start, i within those numbers. But as far asi what are