All Explainer: Page 2

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  The Explainer: Days in yellow and the working class hero

  • By Charles Pelkey
  • Published Apr. 14, 2011
  • Updated Apr. 18, 2011 at 11:08 AM EDT

  Q. Dear Explainer, Fabian Cancellara wins Tour de France prologues with regularity (2007, 2009 and 2010) placing him in the yellow jersey

• The Explainer: Will the biological passport catch

  • By Charles Pelkey
  • Published Apr. 7, 2011
  • Updated Apr. 18, 2011 at 11:08 AM EDT

  Q.Dear Explainer, As a follow-up to your answer to an earlier question on the biological passport, I’m curious whether there is any

• The Explainer: So, the UCI is appealing …

  • By Charles Pelkey
  • Published Mar. 24, 2011
  • Updated Apr. 7, 2011 at 11:53 AM EDT

  So what is the basis for the UCI’s appeal? Are they going to attack the evidence — or lack of it — or are they going to go after

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  Explainer’s Greatest Hits: Milan-San Remo in the war

  • By Charles Pelkey
  • Published Mar. 17, 2011
  • Updated Mar. 17, 2011 at 2:48 PM EDT

  Some of Italy's greatest races continued to thrive even during World War II.

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  The Explainer: The biological passport revisited

  • By Charles Pelkey
  • Published Mar. 11, 2011
  • Updated Mar. 22, 2011 at 6:33 PM EDT

  What does the passport do? How does it work? What are its limitations? Can athletes manipulate it?

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  The Explainer: Equal treatment for winners and the

  • By Charles Pelkey
  • Published Feb. 24, 2011
  • Updated Feb. 25, 2011 at 8:32 PM EDT

  A reader asks about "podium dudes" while another asks about application of doping rules.

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  The Explainer: Questions about the Contador decision

  • By Charles Pelkey
  • Published Feb. 16, 2011
  • Updated Feb. 17, 2011 at 8:56 AM EDT

  After the Alberto Contador ruling, readers offer up a number of interesting questions

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  The Explainer: Lab wars and the real Tour of Colorado

  • By Charles Pelkey
  • Published Feb. 10, 2011
  • Updated Jun. 10, 2011 at 2:32 PM EDT

  Dear Readers, It’s been a while since I’ve written up an Explainer column. First, I went to Germany for the UCI world cyclocross

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  The Explainer: Why clenbuterol?

  • By Charles Pelkey
  • Published Jan. 27, 2011
  • Updated Feb. 7, 2011 at 9:44 PM EDT

  A reader wants to know why an unethical athlete would look to clenbuterol for performance-enhancement.

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  The Explainer: Plastics

  • By Charles Pelkey
  • Published Jan. 27, 2011
  • Updated Feb. 7, 2011 at 9:45 PM EDT

  Now that evidence suggests the metabolites of plasticizers in Alberto Contador's urine samples a reader wants to know if that's proof of