Instead of making a new thread making the same suggestion, I'm just going to bump this thread. I played a private lobby with friends and had to remake the lobby multiple times because there's no way to just restart the race.
Let the lobby creator restart the event. Also give League Admins the power to restart an event.
It's unbearable when you're playing with friends and 1 crashes out. Nobody wants to do quali again just to get to restart the race.