Swiss champion fastest against the clock as Colombian seals overall victory
Poels secures solo victory on stage four but Quintana storms into blue jersey in the snow
Belgian beats Peter Sagan on uphill finish to claim race lead
Elia Viviani crashes hard after collision with Mark Cavendish in finale
Alberto Contador off the pace as Italian champion pulls on blue jersey
Clash of the Titans set for week-long Race of the Two Seas
