Quote Originally Posted by techgnome View Post
They could have delayed it to the next day, but there's no guarantee that weather would have improved, plus as the commentators noted, there may have been an issue finding marshals sufficient for the event.

-tg
According to german news that wasn't possible, since the next race is next weekend in the Netherlands (yeah, practically you can spit from Spa to Zandvoort), so the problem would have been the logistics involved