Anti-doping retests target samples from 2017 Tour de France

A previously undetectable doping product has been revealed by the Operation Aderlass investigation

Tour de France 2017 (Jeff Pachoud/AFP via Getty Images)

(Image credit: AFP via Getty Images)

The 2017 Tour de France has become the target of doping retests after a previously undetectable performance-enhancing drug was uncovered by Operation Aderlass.

This follows the UCI requesting samples from 2016 and 2017 be re-tested following testimonials given during the investigation. Six months later, the Cycling Anti-Doping Foundation (CADF) are now looking for a specific doping product and samples from the 2017 Tour de France will be given particular attention, Belgian newspaper Het Nieuwsblad reports.

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