Michael Puchowicz

Chris Horner's Bio Passport Problem

The American's Vuelta victory might be one of the greatest performances in the history of the sport—if only it hadn't taken place under a cloud of doping suspicion. Horner maintains he's clean, and...

Analysing Froome's Performance

In the wake of Chris Froome's brilliant stage victory, we turn to one of the foremost doping experts to see what his performance signals in the peloton.