To schedule activities in the halls or courts we must access to:
Planning → Group classess → List of activities.
Once we have entered we will see the list of activities. Click the icon 
of the activity that we want to program in a room or court:
When we have entered, we will go to the section Schedule:
Here we will click the icon 
to program the room or track where the activity will take place at that specific time:
In Place we will select the room or court where the activity will take place.