Here is the full list of all 50 F1 2019 achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Reach maximum sportsman rating
Set the fastest time in all 3 practice sessions, take pole position and win the Grand Prix
Accept a contract with Williams, Racing Point, Renault, Toro Rosso or Haas
Reach Level 25 XP
Tell Jeff to be quiet
Complete an F1 race with all driving assists turned off
Complete a Weekly Grand Prix
Complete a race using the Ferrari F2004 at Monza
Obtain a livery for your multiplayer car
Achieve a safety rating of A in multiplayer mode
Reach Level 10 XP
Complete 10 races online
Spectate an online race
Join a league
Make an adjustment within photo mode
Play a captured highlight
Achieve a Gold skill rating
Reach Level 5 XP
Set a favourite trophy
Complete the "2018 FORMULA 2 WORLD CHAMPIONSHIP" championship event
Finish ahead of Devon and Lukas by the end of an F1 Season
Complete an F1 Time Trial in wet conditions.
Register a time trial entry on every track
Change your driver's appearance
Complete a Featured Event
Choose a player badge
Finish ahead of Lukas or Devon in an F1 race
Complete an F1 practice programme in Career Mode
Accept a contract with Red Bull, Ferrari or Mercedes
Complete the F2 feeder series and start to pursue a move to F1
Complete your first race with an F2 car in career mode
Read information on a car in the showroom
Win a 25% distance (or longer) race against Ultimate AI opponents
Complete a clean race
Win a 25% distance (or longer) F1 race at Monaco (any difficulty)
Apply all vehicle upgrades from one department
Win the F1 Constuctors' Championship
Win the F1 Drivers' Championship
Get pole position
Win a race whilst using manual transmission
Get on the F1 podium for the first time
Get promoted to first driver
Complete the first weekend of an F1 season.
Activate a Flashback during a race
Activate DRS perfectly on all zones of any track
Accept a contract with McLaren or Alfa Romeo
Complete all events in a Weekly Grand Prix
Reach Level 50 XP
Win a league medal
Reach maximum showman rating