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TrackCoach
RE: Solomon suddenly world class and Rupp soloing 3.50 indoor miles - Come on Letsun, ask the questions!
Read up on the Biological Passport

http://en.wikipedia.org/wiki/Biological_passport

It is not fool proof, but it is pretty darn good. Look at the endurance athletes (Cycling, Tri, IM, TTF, Swimming and Running) who were being tested on a regular basis prior to 2009 and their performance has declined. Look at the number of athletes who have retired in the last couple of years and/or those who can't come close to their marks prior to '09. Obviously this doesn't stop athletes who come from out of nowhere, but the ones who have biochem markers on the record are playing a very risky game if they cheat. Like I said, the system in not perfect, but the playing field is more level than it has been in 3 decades.

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