This event is hosted in Trackmania and in the title(s) Trackmania² Canyon. You can participate on your own and registration is not required. And there is a map pool that you can contribute to.
The Hypeboys Endurance cup is a Canyon cup where you drive 50 laps on a new map each week.
Cup Start Time: Every Friday @ 20:00 CET/CEST.
Map Discovery: 10 minutes before the cup starts
Join the HEC Discord for more info.
Submit and check out previous maps in the official mappack.