Andrzej Jezierski won the C1 200m B final at London 2012, leaving him in ninth position overall at the Games.
Jerzierski won the final in a time of 44.041, ahead of Vadim Menkov of Uzbekistan in 44.168. Attila Vajda of Hugary was third.
There are no medals on offer for the B final, but Jezierski will have accumulated valuable ranking points for future events.
He was unfortunate to miss the final , his semi final heat was the toughest drawn in the C1 200m.