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