Physiological passport to join biological equivalent?

It's all about blood - performance-enhancing methods abound in pro cycling

It's all about blood - performance-enhancing methods abound in pro cycling (Image credit: Daniel Simms)

As cycling and other endurance sports continue to battle accusations and insinuations of doping and, at the same time, search for ways to guarantee greater public confidence in athletic feats, work is progressing on what is likely to be the next tool that can help with those quests: the development of a so-called performance or physiological passport, which could be used in conjunction with the now well-established biological passport to monitor athletic performance.

Peter Cossins has written about professional cycling since 1993 and is a contributing editor to Procycling. He is the author of The Monuments: The Grit and the Glory of Cycling's Greatest One-Day Races (Bloomsbury, March 2014) and has translated Christophe Bassons' autobiography, A Clean Break (Bloomsbury, July 2014). 

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