Here is the full list of all 39 Le Tour de France 2011 trophies - there are 28 bronze, 6 silver, 4 gold and 1 platinum.
Obtain all trophies
Complete the Tutorial
Use all audio communication options
Use each of your riders to lead the peloton
Be the first to attack on a stage
Win any stage
Maintain a solo breakaway for more than 20 km
Unleash at least 10 attacks during the last climb of a mountain stage
Be first on every mountain sprint during a stage ranked Mountain
Win the Tour de France without falling from the bike
Set up an alliance with the peloton and in a breakaway in the same stage and win the stage
Escape from the peloton, going downhill, and gain a 30 seconds lead
Help a team leader, who has fallen behind, return to the peloton (playing as leader or team-mate)
Let a rider who helped you in an alliance win the stage
Win a flat stage with a non-sprinter arriving in the peloton
Win 2 consecutive stages with the same rider
Win a flat stage with a sprinter
Complete a Tour de France with every team in the game
Win all the mountain stages of a Tour de France (Tour mode)
Win the polka-dot jersey
Win the green jersey
Win the Individual Time-Trial and then beat your time the next time you play
Win the Tour de France with a rider aged 25 or under
Finish in the Top 10 in at least 5 consecutive Tour de France
Win the first and last stages of the Tour de France in Tour mode
Win the Tour de France with a rider who is not the best ranked rider in his team
Win a stage with a team of Expert difficulty
Win a stage of each type (Flat, Hills, Mountain, Time-trial) with the same rider
Win 3 consecutive stages with the same rider (Tour mode)
Finish in the top 10 in the General Ranking with a team of Expert difficulty
Win the Tour de France after clawing back a 10 minute deficit with the leader
Win a stage with a rider you don't control by making him attack
Wear the yellow jersey on all the stages of the Tour de France
Win all the intermediary sprints of the Tour de France (Tour mode)
Win at least 2 Tour de France
Win the Tour de France with a Beginner, Intermediate, Hard and Expert team
Win at least 5 Tour de France
Win the Yellow, Polka-dot and Green jersey on the same edition with the same rider
Have your team win all the stages of the Tour de France and all 3 leader jerseys