It can also be done in Time Trial.
After the intro race, you can take care of this immediately.
I played this in TT whilst the game installed, and after putting in one valid lap, chose to end the time trial from the pause menu. This popped this achievement, and this one:
The Try and beat this! achievement in Ride 2 worth 17 pointsRecord a valid time in time trial and upload it into the leaderboards It gets both of these cheevs out of the way before your installation has even finished.
It took me ten minutes to drive the lap.