Here is the full list of all 38 F1 2011 achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Complete your first Career Race
Take the first Pole Position of your Career
Take your first Career victory
Set the fastest penalty-free lap of the Race in any game mode
Set the fastest lap in every session of a Long Race Weekend in any mode
Cleanly overtake an opponent while KERS is activated
Cleanly overtake an opponent while the DRS is activated
Cover a total of 500 Practice miles / 805 kilometres in your Career
Win the Drivers' World Championship in a Co-op season
Win a Race without activating KERS or the DRS once
Win a Race in any mode using manual gears
Beat Alberto Ascari's record of 9 successive Career victories
Win the Drivers' World Championship in Career
Win the Constructors' World Championship in Career
Complete any Race without colliding with another car or object
Win the Drivers' World Championship in Career on Hard or Expert Difficulty
Lap at least 6 other cars during a Race in any game mode
Drift your F1 car 10 metres or more
Win a Race at each of the 19 circuits in any game mode
Win a Race without any Driver Assists enabled in any game mode
Win a Race after Qualifying in Pole Position in any game mode
Complete a full Co-op season
Set a time in all of the Time Attack scenarios
Perform a Pit-stop during a Safety Car period
Complete 5 successive laps within a quarter of a second of each other
Finish an Online Race without making contact with an opponent's car
Take the lead on the final lap of a 20%+ distance Race and win
In any Career Race, finish in the top three
Spend a total of 10 minutes slipstreaming your opponents in any game mode
Win the Turkish Grand Prix driving as Lewis Hamilton
With Damage on Full make contact with the wall at Monaco and win the Race
Take the lead on lap 1, in heavy rain, after starting in 5th or lower
Win the Drivers' World Championship with two different teams in Career or Co-op
Win the Constructors' World Championship in a Co-op Championship
Score points at every round of a Career or Co-op season
Win 10 Online Races
Win 35 Online Races
Receive a Drive-through Penalty then go on to win the Race