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

Just A Scratch (10 points): Use pit lane to repair your vehicle 50 times.
Not On My Watch (10 points): Wreck a car in pit lane before the repair.
The Hard Way (10 points): Finish 5 races without using pit lane.
Just That Good (10 points): Finish 3 races without wrecking or using pit lane.
I Meant To Do That (10 points): Drive over 15 oil slicks.
Watch Your Step (10 points): Bump another car into an oil slick.
Didn’t See You There (10 points): Bump another car into a hazard.
Turbo Speed! (10 points): Perform 50 slingshot boosts.
It Still Counts! (10 points): Wreck your car across the finish line.
Winner! (10 points): Place 1st on the Daytona Oval.
Showoff (10 points): Perform a donut and go on to win the race.
2 Birds, 1 Stone (10 points): Make 2 rivals at the same time.
Showboater! (10 points): Drift around 75 turns.
High Score (10 points): Score higher than 175,000 in a single race.
The Sun Was In My Eyes (10 points): Wreck your car 15 times.
Look Mom! (10 points): Drive over 35 ramp jumps.
Stuntman (10 points): Perform 5 barrel rolls in mid-air.
Rocketman (10 points): Slingshot into 25 ramp jumps.
Beat The Clock! (10 points): Earn a trophy on any time trial track.
Stylin’ (10 points): Customize any car with an unlocked paint job.
Eat My Dust (10 points): Place 1st in any race against your friend.
Good Effort! (10 points): Finish a quick race season in any place but 1st.
The Real Deal (10 points): Place 1st in a quick race season.
Friendly Rivalry (10 points): Wreck your friend making him/her a rival.
Tough Guy (10 points): Make 75 rivals.
Well Played (10 points): Score higher than your friend in a quick race season.
Revenge! (10 points): Score a payback.
That’ll Learn Ya! (10 points): Score 10 paybacks.
Light Touch (10 points): Perform 125 slams.
Unnecessary Roughness (10 points): Perform 250 slams.
Beatdown! (10 points): Make 3 rivals in a single race.
Thrashing! (10 points): Make 5 rivals in a single race.
Scenic Route (10 points): Drive over oil, dirt, sand, gravel, water, and grass.
Hot Shot (10 points): Place 1st in any race.
Learning The Ropes (10 points): Complete the Rookie tier in Championship mode.
Showing Promise (10 points): Complete the Professional tier in Championship mode.
World Traveler (10 points): Unlock all race tracks.
Drive By Healing (10 points): Boost through the pit lane restore.
Piece Of Cake (10 points): Complete 10 challenges.
Over Achiever (10 points): Complete 5 challenges in one race.
Domination! (40 points): Score higher than 225,000 in a single race.
Time To Spare (40 points): Earn a Gold trophy on any time trial track.
Gotta Have ‘em All (40 points): Unlock all vehicle paint jobs.
Lightning Reflexes (40 points): Drive in Boost mode for 12 seconds.
So Close (40 points): Earn Silver trophies on all time trial tracks.
That All You Got? (80 points): Complete the Legend tier in Championship mode.
In The Groove (80 points): Avoid walls and track barriers to score 2 perfect laps in one race.
Perfectionist (80 points): Earn Gold trophies on all time trial tracks.
Heavy Hitter (80 points): Score 25 slams in a single race.
Crowd Pleaser (80 points): Make 7 rivals in a single race.