Poland's, right to left, Marta Walczykiewicz, Aneta Konieczna, Karolina Naja and Beata Mikolajczyk paddle on their way to winning a women's kayak four 500m semifinal in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, Aug. 6, 2012. In background are France's Sarah Guyot and Gabrielle Tuleu. (AP Photo/Chris Carlson)