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