It started on 26 March in Porto-Vecchio and ended on 27 March in Porto-Vecchio and consisted of 3 stages, including 2 stages on the same day; a flat stage and an individual time trial, held as the second and third stages.

The race was won by Leopard-Trek rider Fränk Schleck, who claimed the leader's yellow jersey after a strong finish in the first stage, and maintained his advantage to the end of the race.

Schleck's winning margin over runner-up Vasil Kiryienka of Team Movistar was 13 seconds, and Cofidis' Rein Taaramäe completed the podium, 17 seconds down on Kiryienka.

The winner of the 2010 Critérium International, Pierrick Fédrigo, was looking to defend the previous year's victory, while other pre-race favourites included 2 time runner-up in the Tour de France Andy Schleck and Vuelta a España 5th place, Fränk Schleck, as well as Alexander Vinokourov.

[1] The following teams participated in the 2011 edition of the Critérium International:[2]