There will be three qualifiers and a final tournament with 150 euros to win. All tournaments will be played on Sundays at 17:00 CEST.
First qualifier will happen on Sunday 12th October, sign up on the OGS website: http://www.ogseries.tv/trackmania/news/71/a-trackmania-join-in-ogseries-/
OGS needs to have technical maps, read the rules for submitting them: http://www.ogseries.tv/trackmania/news/71/a-trackmania-join-in-ogseries-/
And finally Jamelgo created a car that you can use and download on the website.