Again, I don't put Pfitzinger in the Lydiard camp. I already agreed these numbers looked high, making me wonder who is the intended target. But in any case, these numbers must be tuned to the athlete and his situation, it really doesn't matter how far off these numbers may or may not be.gypsy gave 48 hours as a general rule of thumb. Isn't that typically the case for most plans? The hard workouts are typically 2 days (and one 3 days, to make a week) apart. I'm surprised how this number has been latched on to, in order to undermine gypsy's credibility.I hate to use Wikipedia as a reference, as it often draws its own ridicule, but if anyone read the link I already provided, they would have seen this section:+-----Common mistakesThere is no one right period for supercompensation. If somebody states that 48 (or any other number) hours of rest are needed (to reach supercompensation) between consecutive workouts without stating the name of the recovered function(s), that statement should be treated with caution.+-----Did anyone state which "recovered function" they mean? For example, replenishing glycogen after a marathon takes 48-72 hours, but repairing muscle damage may take a month.This whole silly discussion about 48 hours is for me exactly what is right about the Lydiard method. Whenever you fix a number, you immediately enter a silly discussion like this, with a bunch of anecdotal exceptions (e.g. Snell did workouts everyday; or my performance improved with 72 hour recoveries), and those who disagree with the ridiculousness of the number who want to call the whole method a load of BS. One answer is not to fix any numbers in the first place, but then this goes the other way, where people like Antonio say the whole thing is "totally undefined".Maybe to get a better idea of these two bullets "feeling based" and "response regulated", here is what Lorraine Moller wrote in 2008 about these terms (when they were coined by Lorraine and Nobby):+-----Training is a process of stressing the body with a workload in order to provoke a training response which takes place during the recovery. In a nutshell this is what I had in mind when I coined the terms "feeling-based" and "response-regulated" when describing Lydiard principles. They are assessments of the two phases of this adaptation cycle.Feeling-based means that the athlete (with coach's guidance) needs to tune in while they are exercising, learning to accurately gauge their effort to see if it is consistent with the goals of the workout.Response-regulated means monitoring the athlete's recovery so that the next workout is timed to be most effective. HR, muscle soreness, general vitality and mood are all good indicators.+-----It's not difficult for an athlete to determine by feel if he's sufficiently recovered from a recent workout or not, in order to perform the next one, consistent with the goals of the workout. Often a coach can tell too by measuring HR or time or watching the athletes form.Things aren't "totally undefined", as the training objectives are always well known.Workouts are as long and as hard as they need to be, to achieve the goal of the workout, and not longer or harder. Recovery is as long as it needs to be, and not shorter, or not too long.Fixing numbers in advance, in a generic season plan doesn't work, because each athlete is different, and has different training requirements.Fixing numbers in advance for a specific athlete, even 1 day in advance, doesn't always work, as the athlete's response can also vary in unpredictable ways. If you've ever had to cut a session short, ask yourself how did you make that determination? Is that criteria "totally undefined"?Coaches and athletes can always make a plan, and if they feel they need to, make it as detailed as possible. But there is always the possibility, that on the day, the athlete feels tired and stale, or the athlete feels strong, and the workout gets changed accordingly, or aborted.I see "totally undefined" as a strength. The danger of "totally defining" plans, is that the "unfeeling" athlete may feel compelled to complete the workout at all costs, and the cost may be too high.