While you set the page of your activity, you will be able to set the level of difficulty based on these parameters:
It’s an activity which does not have a pre defined level of difficulty. It’s the instructor that will adjust the difficulty based on the level of the participants
It is an easy activity, good also for beginners. For this activity no experience is needed. It’s good for everyone.
This activity is for sporty people which are not expert. To do this activity a good sport training is required and also people should already had some experience in similar activities, but they do not need to be an expert.
This is an activity for experts, people that have done similar activities in the past, or those who regularly do it.