Here is the full list of all 49 F1 2014 achievements worth 1,000 gamerscore. It takes around 30-35 hours to unlock all of the achievements on Xbox 360.
You have set a time in all of the Time Attack scenarios.
You have earned a Gold medal in all of the Time Attack scenarios.
You set a time in a Time Attack scenario.
You earned every Gold medal in Scenario Mode.
You earned every Silver medal in Scenario Mode.
You earned every Bronze medal in the easy set in Scenario Mode.
You earned every Bronze medal in the very easy set in Scenario Mode.
You have earned a medal in Scenario Mode.
You completed a Full Season in Career.
You won the Drivers' World Championship in a Full Season Career.
You moved to another team mid-season in a long Career.
You completed a Medium Season in Career.
You won the Drivers' World Championship in a Medium Season Career.
You completed a Short Season in Career.
You have won the Constructors' Championship in Career.
You won the Drivers' World Championship in a Short Season Career.
You qualified last, but finished first in Career.
You set the fastest lap time in every session of a long race weekend in Career.
You completed your first race in Career.
You won your first race in Career.
You have taken pole position in Career.
You have won the Drivers' Championship in Season Challenge on hard difficulty.
You returned to your starting team in Season Challenge.
You raced for five different teams in Season Challenge in a single season.
You have beaten four rivals in one season in Season Challenge.
You have won the Drivers' Championship in Season Challenge.
You have beaten your first rival in Season Challenge.
You passed all of your objectives over a race weekend in Season Challenge.
You completed your first race in Season Challenge.
You won your first race in Season Challenge.
You stayed with the same team through the whole season in Season Challenge.
You completed Season Challenge.
You were recommended for the hardest preset Difficulty in the Evaluation Test.
You have successfully completed the Evaluation Test.
You have performed a Mid-Session Save.
You have set clean lap times at 10 different circuits in Time Trial.
You have set a clean lap time in Time Trial.
You finished a race using a custom car setup.
You completed your first 25%+ distance race.
You used a Flashback.
You have completed a race in Split Screen.
You won a race with all driver assists disabled.
You have completed 50 races online.
You have completed 25 races online.
You finished a race at every circuit.
You have won the Drivers' or Constructors Championship in Co-op.
You have taken pole position in One-Shot Qualifying.
You have completed your first race online.
You have set a valid lap time in One-Shot Qualifying.