In addition to THW Kiel, 85 other teams from 19 different countries played in Boys 15. They were divided into 14 different groups, whereof THW Kiel could be found in Group 7 together with Rima HC, GF Kroppskultur, IK Sävehof 3, Brabrand IF and Elita. THW Kiel made it to A-Play-off after reaching 1:st place in Group 7. Once in the playoff they made it all the way to the Final, but lost it against Hjortshöj Egå IF 1 with 10-17. Thereby THW Kiel finished second in B15 A-Play-off during Partille Cup 2013.