Tirreno-Adriatico 2013: Team Sky's Chris Froome loses overall lead as Peter Sagan wins brutal stage six Alberto Contador, who began the day second overall, bid to join them but was forced back, while Froome only offered a vague threat before falling back. As the lead group neared the finish Rodriguez held the lead but Sagan attacked inside the final 300 metres and easily won with Nibali taking second. Contador was part of the group that came in around 40 seconds later to put him fourth overall, while Froome was in the second chasing pack. UCI Road World Tour, Tirreno di Sant'Elpidio Adriatico, Porto Sant'Elpidio, Italy Leading final positions after Stage 6 (Porto Sant'Elpidio, 209km): 1 Peter Sagan (Svk) Cannondale Pro Cycling 5 hrs 45 mins 17 secs, 2 Vincenzo Nibali (Ita) Astana Pro Team at 2 secs, 3 Joaquim Rodriguez Oliver (Spa) Katusha at same time, 4 Mauro Santambrogio (Ita) Vini Fantini-Selle Italia at 44 secs, 5 Samuel Sanchez Gonzalez (Spa) Euskaltel-Euskadi at same time, 6 Christopher Horner (USA) RadioShack Leopard at same time, 7 Alberto Contador Velasco (Spa) Team Saxo-Tinkoff at same time, 8 Jurgen Roelandts (Bel) Lotto Belisol at 50 secs, 9 Thor Hushovd (Nor) BMC Racing Team at same time, 10 Simon Geschke (Ger) Team Argos-Shimano at same time General classification after Stage six: 1 Vincenzo Nibali (Ita) Astana Pro Team 27 hrs 57 mins 26 secs, 2 Chris Froome (Gbr) Sky Procycling at 34 secs, 3 Joaquim Rodriguez Oliver (Spa) Katusha at 37, 4 Alberto Contador Velasco (Spa) Team Saxo-Tinkoff at 48, 5 Michal Kwiatkowski (Pol) Omega Pharma-Quick Step at 58, 6 Christopher Horner (USA) RadioShack Leopard at 1 min 05 secs, 7 Mauro Santambrogio (Ita) Vini Fantini-Selle Italia at 1.20, 8 Pryzemyslaw Niemiec (Pol) Lampre-Merida at 2.54, 9 Andrey Amador Bakkazakova (Crc) Movistar Team at 2.58, 10 Wout Poels (Ned) Vacansoleil-DCM at 3.08