At the Olympics, Kusociński won a close battle against the Finns Volmari Iso-Hollo and Lasse Virtanen in the 10 000 m, with a world season's best time of 30:11.4.
Nos Xogos, Kusociński gañou unha dura batalla contra os finlandeses Volmari Iso-Hollo e Lasse Virtanen nos 10.000 m, co mellor tempo mundial da tempada (30:11.4).