This can easily be boosted with one other person in a private lobby. Select Multiplayer then Custom Race. Select Lobby Options and in Session Options change the max players to 2, turn off practice/qualifying and set it to 3 laps.
Change any other settings you’d like then return to the lobby. Press X to select tracks and choose the Custom Season option. Press Y twice, then add any five tracks with X (Monaco, Canada, Austria, Hungary, and Brazil are the quickest five).
Invite your boosting partner and both ready up to start racing. It’s worth noting you can pause the game during an online race and it will drive for you. You get 25 points for 1st place and 18 points for 2nd, so just trade wins and you’ll both have the achievement after all five races.