You can use the following direct URL:s in the play.fiba3x3.com event directory to see a list of all the Challenger or Satellite events.
You end up to the same results pages when navigating to the play.fiba3x3.com event directory in a following fashion.
Remember to switch to Past if you want to find events that have already taken place.
You can also use search filters, such as Country, to narrow down search results.
The pro circuit events (World Tour and Challenger) are also listed in the Event Calendar of FIBA3x3.com