Spike commented that each person has his or her own timing methods. This fact is essential to the discussion regarding timing.
Charlie was well known to have an accurtate hand time conversion to electronic timing. Also each of his athlete’s had his or her own level of consistency in training and competition.
CF could predict Ben’s times accurately pre 1988 because Ben competed as he trained.This is rarely the case with most.
I logged all my runs over 10, 20, 30 and over for the last few years before I stopped running. I found it fun to do and enjoyed watching times get faster from season to season and it was a good bench mark for my confidence and understanding of what things I needed to do.
To summerize charts might be useful but unless all variables are controlled all the time your data must be interpreted accordingly.