Here is the full list of all 31 TRAIL OUT achievements.
Completed all achievements.
Complete the story career 100%
Defeated Frank Woods.
Make the legendary jump in the canals in a specific car.
Finish a Race or Derby event with 1HP remaining.
Purchase and build 21 vehicles.
Eliminate all opponents in a Rush or Cross event, and then finish in first place.
Finish in 1st place 50 times.
Visit five famous places on the big maps.
Defeated Frau Uber.
Run over a spectator.
Purchase and build 14 vehicles.
Take the first place with the driver's body.
Fly out of your windshield 33 times.
Reach a top speed of 300 KM/H / 186 MPH.
Defeated Sonya Mass.
Defeat 33 opponents.
Defeated Joe Boomer.
Destroy 1,000 world objects.
Finish in 1st place 25 times.
Defeated Yuji Than.
Purchase and build 7 vehicles.
Knock a standing opponent to the ground.
Fly out of your windshield 10 times.
Defeated Big Cheese.
Defeat 10 opponents.
Defeated Ivan Komrad.
Complete a race or cross without a single damage to the car.
Defeated your first opponent.
Take money from Zhenka when you don't have much money
Build the first car.