Here is the full list of all 50 F1 2020 achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox One.
Won a race whilst using manual transmission
Applied all vehicle upgrades from one R+D department
Completed a race using the 'Elite' driver proficiency
Completed 10 clean online races
Changed your driver head part way through a My Team or Driver Career playthrough.
Read information on any car in the showroom
Won a race after starting in last position on the grid
Completed 50 Online Races
Joined a League
Completed 25 Online Races
Successfully hired an acclaim level 15 or higher Driver in My Team mode
Made an adjustment within photo mode
Reached a Team Acclaim level of 20 in My Team mode
Purchased all available Perks in Driver Career or My Team
Won any online race
Completed 10 Online Races
Won the Constructors Championship with your team in My Team mode
Won the F1 Drivers' Championship
Completed 5 Invitational events during My Team or Driver Career
Fully upgraded any facility area in My Team
Reached $100,000,000 lifetime earnings in My Team mode
Successfully completed 50 activities in My Team mode
Completed ranked placement races and achieved a rank
Set a favourite Trophy
Spectated an online race
Answered 100 press interview questions in My Team or Driver Career
Equipped a new pair of gloves from the Podium Pass or Item Shop
Successfully completed a driver or team negotiation during a season in Driver Career or My Team
Achieved pole position
Beat a Personal Best Ghost and Rival Ghost in Time Trial
Played a captured highlight
Completed 2 or more Secondary Sponsor Goals in one race weekend
Got on the F1 podium for the first time
Purchased any upgrade for a facility in My Team
Completed a 25% or above race at Hanoi
Filled every sponsor slot with sponsors on a car livery
Completed 10 Practice Programmes in F1 during My Team or Driver Career.
Completed your first race weekend in My Team mode
Activated a flashback
Drove your team's car out on track for the first time in My Team mode
Edited a Driver, Car and badge in Customisation
Set up your own F1 team and showed your car to the world at the pre-season car reveal
Activated DRS perfectly on all zones of any track
Complete a clean Time Trial lap using the 'Maximum Top Speed' car set up preset
Gain 9 positions during a wet race at Brazil in the Brawn BGP 001
Set the fastest time in all 3 Practice sessions, take Pole Position and win the Grand Prix
Win a race in the 1992 Williams FW14B at Silverstone
Win a race at Zandvoort as Max Verstappen
Get a League Medal
Win any Championship Event