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