Welcome to the OSM forum, Maximo!

The answers to this question on help.osm.org might be relevant to your project:
https://help.openstreetmap.org/questions/61910/downloading-gpx-traces-over-a-specific-area

In particular, there used to be a regularly provided dump of all GPS traces, but it’s unfortunately no longer updated. Maybe it’s still of some interest to you?
https://wiki.openstreetmap.org/wiki/Planet.gpx