Leading German cyclist Stefan Schumacher, a double stage winner on this year's Tour de France, has tested positive for doping, his Gerolsteiner team confirmed.

Hadspen's Richie Porte is the toast of Tasmanian cycling after winning the Tour of Tasmania.

Seven times Tour de France winner Lance Armstrong hit out at organisers of the world's greatest race who said his return to cycling was embarrassing.

Frank Schleck has been suspended by CSC over blood-doping allegations, although he is ready to provide a DNA sample to prove he was not implicated in Operation Puerto, the team said.

A comeback by one of sport's biggest legends is usually the stuff dreams are made of.