In handball Wyszomirski started playing in fourth grade of primary school. For the first three years occurred on the quarterback position, then it was the goalkeeper. In his hometown club UKS appeared in Wilanów. Later he moved to Gdansk, in Poland to the only School Sports Championship Handball Association in Poland. Then came the 4. junior representation place at the European Championships in Estonia, 6 place at the World Championships in Bahrain and 12 place for youth European Championships in Romania. After graduating from SMS signed contract with Azoty Puławy.
After his first season in the Polish league was selected for the All Stars in 2008.
From Pulawy reached the quarter-finals of Challenge Cup (2011).
Peter Wyszomirski debuted in the Polish national squad during the National Team Tournament in October 2009.
After completing a five-year contract in Pulawy signed a contract with the Hungarian club Csurgói kk.
On the Academic World Cup in Brazil 2012 (4th place) was voted the best goalkeeper.
Currently has won 50 senior appearances for the Polish national team.
-European Championships senior in Austria 2010 - 4th place.
-World Championships senior in Sweden 2011 - 8th place
-European Championships senior in Serbia - 9th place
In the junior and youth national team has played more than 100 matches.
