Leaderboards

Hi. I have a racing game for the Quest 2 with 150 races and 30 cars. Currently I have set up 150 leaderboards (1 for each race). I am storing the player name and time and in the extra data I am storing the car ID.

The Oculus leaderboard system doesn't allow me to store more than 1 entry per user in each of the races, but I am looking for a way to show the fastest race times per car type for each race. In this scenario it looks like I would need to create 4500 leaderboards, (150 races X 30 cars).

Is there a better solution to this?

Cheers