Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Win a race. (50 points): Win a race in Instant Action, Quick Race, Race Weekend or Championship mode.
Win 10 races. (50 points): Win at least 10 races in Instant Action, Quick Race, Race Weekend or Championship mode.
Win 20 races. (75 points): Win at least 20 races in Instant Action, Quick Race, Race Weekend or Championship mode.
Win 50 races. (100 points): Win at least 50 races in Instant Action, Quick Race, Race Weekend or Championship mode.
Beat a record. (25 points): Beat at least a track record in Time Attack mode.
Beat 5 records. (50 points): Beat at least 5 track records in Time Attack mode.
Beat 10 records. (50 points): Beat at least 10 track records in Time Attack mode.
Win an on-line race. (50 points): Win an on-line race.
Win 5 on-line races. (50 points): Win at least 5 on-line races.
Win 10 on-line races. (75 points): Win at least 10 on-line races.
Championship. (50 points): Win a Championship.
The true SBK hero. (100 points): Win a Championship with opponents level set to Real.
The hardest challenge. (50 points): Complete all the challenges of the game.
The gambler. (75 points): Unlock all the cards of the game deck.
Stunt Man. (25 points): Retire 10 times due to bike damages.
Crash Test Dummy. (25 points): Get your rider injured for 5 times.
The wrong way to victory. (25 points): In a single race, run 3 laps in the wrong way and complete the race.
Last Position Addicted. (25 points): Finish 5 different on-line races in last position.
SBK makes me dizzy. (50 points): Perform 10 burnouts in the same race and complete the race.