Polish riders aged 21 and under take part.
The Polish riders showed no pardon, cutting down the Swedish infantry almost to a man.
In total, seven Polish riders have been World Champions at Under-21 level.
The race was won by the Polish rider, Kazimierz Jasinski.
He is the son of Roman Jankowski, a popular Polish speedway rider.
At the beginning of the text is a painting by Rembrandt titled The Polish Rider.
"I went to the Frick to see 'The Polish Rider' again," she said.
He was the first Polish rider to ride in the Individual World Championship Final (1959) where he finished 12th with 5 points.
Another rider in front was Amanda Spratt from Australia, who closed the gap to a Polish rider's attack.
Bolesław Proch, 60, Polish speedway rider, heart attack.