Boom welcome Blackriver is a name of a session that will be in 10th of November in Germany. It will be something like meetup with blackriver park and there will be also a small contest, best trick contest. So the winners will receive some stuff from main sponsor of this competition Blackriver and also something from other sponsors. (Berlinwood, winkler wheels, blackriver trucks). This event is organized by a skateshop which name is Boom and it is in Bochum city. There will be also a skatepark.