I would like to see events in the game by type like a: "Weekend Race" (just a race at 100% distance independent of whether you participate in any league); "Race for endurance test" (just a race at 200/300/400% distance independent of whether you participate in any league); "Sprint Tourney" (mini season full of sprins in one day).
As for the awards for participation: an increased amount of experience; parts; some tokens.
This will allow players to reach 30th level faster, which will increase the desire of people to play. As an example, I’ll take myself: I am a participant in a relatively weak league, the “Pro” division I'm already overgrowth, but in the “Elite” I'm uncompetitive due to the low level of the technological center (even with the 1st car rank on grid, I lose 0.5-1.5 seconds from the circle, depending on the track, on DRS zones).