The race event main screens are:
The heat starting grids are generated by Race Event builder. Many race formats are described here
Displays race heats and their status.
The heat screen also display driver per heat and starting position/lane per heat grids.
Displays driver scores and completed heats.
The race event list allows you to select and restore the last saved/played race events. Just select a race event to restore it.
The current race event is automatically saved.
The Race Event List displays current selected circuit race events.