This event is hosted in Trackmania and in the title(s) TrackMania United Forever. You can participate on your own and registration is not required. And there is a map pool that you can contribute to.
A cup that moves days and times. A different theme to map for each time.
Join the TM North America Discord server and check the #na-fun-cup channel for more information: https://discord.gg/gBxauNd
This event has no upcoming dates.