>I am wondering what one would expect a competitive differential between 50m
>versus 100m race times and 100m versus 200m race times for a four*** year
>old, and older age groups for that matter.
>For example, should a good 200m time be within twice the 100m time plus
>say 10% or should it be twice plus 10 seconds?
>My interest spans all four strokes.
Ye gods a nice simple question.
I think the answer, if you are talking about one specific swimmer, is
that there is no particular way to convert between times because of the
1) Muscle makeup. Most people have preponderance of slow twitch muscle
fibres, but some have more fast twitch. Depending on the precise ratio,
you can tend to excel anywhere between 50m sprints nad the longer swims.
2) Training. The more you practice something, the better you get at it.
Hence, if you train mostly towards 100's, unsurprisingly, you tend to be
better at 100's.
3) Attitude. I love 400's. Adore them. I swim disproportionately faster
on 400's than I do on 200's, which I don't like as much. Never
4) Technique. As the distance gets greater, efficiency becomes more
crucial. Swimmers with better technique will (probably) do slightly
better at longer distances.
So for any particular swimmer (me for example) the ratios between my
PB's at varying distances are no way going to be the same as for any
other swimmer (probably).
Overall, taking say, four*** year olds as a group, some pattern may be
there (i.e, the top ten 100 freestylers compared with the top 10 200
freestylers etc)I'll leave it to the bulging brains in the group to fill
Journeyman swimmer and COBOL programmer extraordinaire