Here is the full list of all 21 Race Condition achievements.
Advance to Driver Level 3
Crash into something at 300 km/h or faster
First Pitstop
Win a race
Advance to Driver Level 2
Best lap time in a race
Highest top speed in a race
Place second in a race
Win five races
Win ten races
First place in every race
Reach 400 km/h
Reach 450 km/h
Finish the World Tour
Advance to Driver Level 4
Advance to Driver Level 5
Advance to Driver Level 6
Advance to Driver Level 7
Advance to Driver Level 8
Place third in a race
Obtain the red car