I have to ask--when do you record your results in your training?--after each grouping (tuneup, main set, etc) or after you finish your swim? Wondering how you can remember all the details of each part of swim. Is this just a skill that you have learned after so many years of training or do you have a photographic memory? I'm not questioning your results, but I am amazed at the detail that you have. As I am typing this, I thought that this must just be another way to increase focus on what a swimmer s/b doing.