The inaugural event , held on June 9 , is part of the NBL Great Lakes National weekend held at Waterford Oaks BMX in Michigan .
The inaugural event , held on June 9 , marks the first event of its kind in the USA .
The inaugural event , held on June 9 , is part of the NBL Great Lakes National weekend held at Waterford Oaks BMX in Michigan and marks the first event of its kind in the USA .