The quickest and easiest way to unlock this is in a Custom Match with the following settings:
City - St Petersburg
Route - The Hermitage Race
Advanced options - Number of AI - 7
Advanced options - Reverse - Yes
Head into the lobby and give all 7 AI and yourself the Kawasaki Ninja ZX-14 (Class A) You can change the AI's difficulty to Platinum by pressing RB if you wish but its not necessary.
Once the race starts just accelerate and a few seconds into the race there is a bump in the track, this should be where the achievement pops.
Here's a video demonstration