Nibali started his 2013 season in good form finishing 7th in the Tour of Oman and winning the Tirreno–Adriatico.
In the latter race, he took the leader's jersey off Froome's shoulders in stage 6, where he escaped with Peter Sagan and Joaquim Rodríguez on a short climb with a gradient of 30%.
He held off Froome in the final time trial.
In April, he won the Giro del Trentino on the final stage featuring a mountaintop finish.
He took the lead from Maxime Bouet, who had been the overall leader since the second stage.
Nibali powered away on the last Hors Category climb, distancing rivals Mauro Santambrogio and Wiggins, who suffered a mechanical issue, and winning the stage in solo fashion.

Nibali and Wiggins entered the Giro d'Italia as the two favourites for overall victory.
Nibali took the leader's pink jersey (Italian: maglia rosa) on stage eight after finishing fourth in the time trial won by Alex Dowsett, conceding only 11 seconds to Wiggins.
On stage ten, the first mountain top finish, Nibali finished third behind Rigoberto Urán to extend his lead over second placed Evans to 41 seconds.
The rest of the race was severely affected by poor weather conditions.
Nibali put further time into his rivals on stage 14, finishing on Monte Jafferau, as he and Mauro Santambrogio rode away in freezing conditions, with Nibali allowing Santambrogio to take the stage win; after the disqualification of Santambrogio, due to a positive test for EPO, the stage victory was retroactively awarded to Nibali.
Nibali won stage 18, a mountain time trial, by 58 seconds from Samuel Sánchez, to extend his lead over Evans and Urán to over four minutes.
The following stage, scheduled to be the queen stage of the race, had to be cancelled due to snow.
Stage 20, the final mountain stage, also saw heavy snow, as Nibali attacked on the final climb to Tre Cime di Lavaredo to win the stage by 17 seconds from Fabio Duarte, with Urán a further two seconds back.
Nibali also moved into the lead in the points classification.
Nibali safely negotiated the final stage to Brescia to win the Giro by four minutes 43 seconds over Urán, his second Grand tour overall victory.
However, as Mark Cavendish collected all the intermediate sprints before winning the final stage, Nibali finished second to Cavendish in the points classification.

At the Vuelta Nibali was vexed as to whether he should chase the red jersey to record his second grand tour in 2013 or reserve his energy for the World Championships to be held just weeks later in his adopted Tuscany.
He captured the race lead on stage 4 though losing it on stage 8, he managed to regain it on stage 11, a time trial.
He rode well throughout wearing the red jersey for several stages maintaining his race lead through much of the race.
Nibali has now worn the leader's jersey more than any other Italian in the history of the Vuelta.
He lost his race lead though on stage 19 to Chris Horner.
He attacked Horner many times during the final mountain stage on the steep Angliru but he cracked in the end finishing 4th on that stage.
He finished 2nd overall in the general classification.
Nibali started his 2013 season in good form finishing 7th in the Tour of Oman and winning the Tirreno–Adriatico. In the latter race, he took the leader's jersey off Froome's shoulders in stage 6, where he escaped with Peter Sagan and Joaquim Rodríguez on a short climb with a gradient of 30%. He held off Froome in the final time trial. In April, he won the Giro del Trentino on the final stage featuring a mountaintop finish. He took the lead from Maxime Bouet, who had been the overall leader since the second stage. Nibali powered away on the last Hors Category climb, distancing rivals Mauro Santambrogio and Wiggins, who suffered a mechanical issue, and winning the stage in solo fashion.
Nibali and Wiggins entered the Giro d'Italia as the two favourites for overall victory. Nibali took the leader's pink jersey (Italian: maglia rosa) on stage eight after finishing fourth in the time trial won by Alex Dowsett, conceding only 11 seconds to Wiggins. On stage ten, the first mountain top finish, Nibali finished third behind Rigoberto Urán to extend his lead over second placed Evans to 41 seconds. The rest of the race was severely affected by poor weather conditions. Nibali put further time into his rivals on stage 14, finishing on Monte Jafferau, as he and Mauro Santambrogio rode away in freezing conditions, with Nibali allowing Santambrogio to take the stage win; after the disqualification of Santambrogio, due to a positive test for EPO, the stage victory was retroactively awarded to Nibali. Nibali won stage 18, a mountain time trial, by 58 seconds from Samuel Sánchez, to extend his lead over Evans and Urán to over four minutes. The following stage, scheduled to be the queen stage of the race, had to be cancelled due to snow. Stage 20, the final mountain stage, also saw heavy snow, as Nibali attacked on the final climb to Tre Cime di Lavaredo to win the stage by 17 seconds from Fabio Duarte, with Urán a further two seconds back. Nibali also moved into the lead in the points classification. Nibali safely negotiated the final stage to Brescia to win the Giro by four minutes 43 seconds over Urán, his second Grand tour overall victory. However, as Mark Cavendish collected all the intermediate sprints before winning the final stage, Nibali finished second to Cavendish in the points classification.
At the Vuelta Nibali was vexed as to whether he should chase the red jersey to record his second grand tour in 2013 or reserve his energy for the World Championships to be held just weeks later in his adopted Tuscany. He captured the race lead on stage 4 though losing it on stage 8, he managed to regain it on stage 11, a time trial. He rode well throughout wearing the red jersey for several stages maintaining his race lead through much of the race. Nibali has now worn the leader's jersey more than any other Italian in the history of the Vuelta. He lost his race lead though on stage 19 to Chris Horner. He attacked Horner many times during the final mountain stage on the steep Angliru but he cracked in the end finishing 4th on that stage. He finished 2nd overall in the general classification.
Vincenzo Nibali