Take your best shot, the world is your oyster. Here is mine...this is a cut/paste from an email list I belong to. Advice is from a pretty reliable cat. Enjoy:
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I never
understood why anyone would want to know their VO2Max. Could someone (who
does not make a living in part by charging clients for these tests) tell me
why you would want or need one?
(As an aside, if I were going to have a VO2Max test, I would do it at a
university with a graduate program in exercise physiology if possible. Often you
can be tested for free as graduate students always seem to be looking for
test subjects. This is ideal if the students are conducting the tests under
the watchful eye of a professor.)
Most health clubs, personal trainers and coaches seem to use a sub max test,
which while safe are inaccurate. The inexpensive metabolic carts are
equally inaccurate. An exercise physiologist told me that it takes years of
practice before you can accurately interpret the test data. Most coaches could
guess your VO2 and LT by looking at your race results and be within the margin
of error of the typical health club tests.
Then if you have the test, what do you do with the result? Training is
typically based off LT in my experience and there is no way to accurately
identify LT from a VO2Max test.
It seems to me that your best predictor of performance is past performance.
Training based on race pace (speed, heart rate, and wattage) is more
instructive than a laboratory results. If you want to break one hour in a 40K bike
leg or time trial, you better add intervals at 25+mph to your training plan.
If you never ride at 25 mph, you will never race at 25mph.
Finally, what could be worse than being a masters' level athlete who
discovers that when their age is factored in, they have a world-class VO2 max, but
their miss-spent youth was further wasted in non-endurance sports and
activities.



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