He improved his personal best from 75.55 to 84.96[4] and placed second in the European U23 Championships in Kaunas, Lithuania, passed in the last round by Finland's Ari Mannio.

[7] The 2010 season started well for Frydrych, who first improved to 85.60 at the May 23 Shanghai Golden Grand Prix, losing to Norway's two-time Olympic Champion Andreas Thorkildsen by only half a metre.

[9] In javelin's first appearance in the inaugural IAAF Diamond Race, at Oslo on June 4, Frydrych again placed a narrow second to Thorkildsen, this time with a mark of 85.33.

[10] Frydrych was second to Thorkildsen once more at the Adidas Grand Prix in New York City,[11] but a back injury spoiled the rest of 2010 for him, and he only placed 10th at the European Championships.

[12] Frydrych won the 2011 Diamond League opener in Doha, Qatar with a mark of 85.32, almost a metre ahead of Robert Oosthuizen.