Given a couple promos are ending/ended (client tourney, sneaks winding down..etc) there might be some promo points available and a nice tweak to the speedway might also be rewarding top money earners for the week. There is nothing like being in a car full of non-producers while you have made a bigger contribution than any other driver.

Furthering that idea might also be a "race of champions week" in which the top 50 players overall (maybe leaderboard? ratings?) are used rather than based on week previous. In opposition the "smash up derby week" for the people who have played the most tournies but won the least. There could be a bonus for these classic races or just a way to mix up the pairing process.