Grzegorz Kaleta had the following podium finishes at the Flatwater World Championships: 2nd 1990 K4 10000 m (with Andrzej Gajewski and the non-Olympians Andrzej Gryczko and Mariusz Rutkowski), 3rd 1989 K4 10000 m (with Andrzej Gajewski and the non-Olympians Tomasz Franaszek and Mariusz Rutkowski), 2nd 1993 K4 10000 m (with Maciej Freimut, Piotr Markiewicz, and the non-Olympian Andrzej Gryczko), 3rd 1995 K4 500 m (with Grzegorz Kotowicz, Dariusz Białkowski, and Marek Witkowski), 3rd 1995 K4 1000 m (with Grzegorz Kotowicz, Dariusz Białkowski, and Marek Witkowski).