Here is the full list of all 37 Truck Racing Championship achievements worth 1,000 gamerscore.
Earn 4000 Reputation in the World Series
Win a race on all circuits
Win a race at Canadian Tire Motorsport Park
Get promoted to a Titan driver in the World Series
Become the World Series champion
Win a race at Autodromo De Buenos Aires
Win a race at Circuit of the Americas
Win a race at Winton Motor Raceway
Win a race at Laguna Seca
Earn 4000 Reputation in the ETRC
Fully upgrade your truck
Upgrade a part of your truck
Earn a total of 10,000 credits
Drive a total of 500km
Become the ETRC champion
Win a race at Circuito Del Jarama
Win a race at Circuit Du Mans
Win a race at Circuit Zolder
Win a race at Autodrom Most
Win a race at Slovakia Ring
Win a race at Nürburgring
Win a race at Hungary Speedway
Get promoted to a Titan driver in the ETRC
Complete your first race weekend
Successfully complete a team's objective
Win a race at Misano World Circuit
In Career, set the fastest lap in a race
Complete your first career race
In Career, achieve a podium finish
In Career, achieve a points finish
In Career, set the quickest lap in Qualifying to claim pole position.
In Career, advance to the Super Pole after qualifying.
Create your driver in career and sign your first contract
Complete all of the license tests
Win a race without taking any body damage
Win a race after starting last on the grid
Win a race at Fuji Speedway