From the moment you are born, you are tested by thedoctor or nurse to make sure all functions are a go. Then your doctor has youperform milestone testing during each developmental period.  School begins and your teacher tests yourperformance in subject matters and doctors test your biological functions. 

Testing, testing and moretesting.  That is what life is about. Soif you are serious about fitness, training, endurance sports, etc., you need totrack progress, ability and set training zones through proper testing.

Check out the full article by hitting the link below.  Enjoy

http://gcmendurance.com/the-importance-of-performance-testing-in-your-triathlon-training-program