Here is the full list of all 36 Ride 2 trophies - there are 20 bronze, 10 silver, 5 gold and 1 platinum.
Unlock all trophies
Unlock all Ride Bonuses
Complete a race in Split Screen mode
Reach first place in the World Tour Rider Leaderboard
Collect a total of 50 bikes
Reach first place in the Team Standings
Unlock 10 Ride Bonuses
Collect a total of 25 bikes
Complete a race at Nürburgring Nordschleife - Full Circuit
Finish first in a World Tour championship
Finish first in an Endurance World Tour event
Unlock your first Ride Bonus
Race a total of 310 miles (500 km) with any bike
Finish first in a Supermoto World Tour event
Complete the three daily challenges
Win a Team vs Team event
Finish first in a Drag Race World Tour event
Collect a total of 10 bikes
Race a total of 155 miles (250 km) with any bike
Hold a wheelie for 8 consecutive seconds
Hold a stoppie for 2 consecutive seconds
Record a valid time in time trial and upload it into the leaderboards
Score the best time in a Time Attack World Tour event
Finish first in a Head-to-head World Tour event
Finish first in a Pairs Race World Tour event
Finish first in a Track Day World Tour event
Reach 174 mph (280 km/h)
Race a total of 62 miles (100 km) with any bike
Finish first in a Perfect Trajectory World Tour event
Win a race under the rain
Reach the podium in a Single Race World Tour event with a pre-modified bike
Unlock a Rider Badge
Use the Rewind for the first time
Complete 25 online races
Complete an online championship
Complete your first online race