I have read more about Kowalczyk at a Polish sport site, http://sport.tvp.pl/39860401/kowalczyk-wraca-na-trase-dlugie-wybieganie
According to the website, Kowalczyk competes in Olos as an assistant coach who role is "to prepare the athletes for the season. They are: Urszula Łętocha, Weronika Kaleta, Magdalena Kobielusz, Eliza Rucka, Monika Skinder, Agata Warło and Izabela Marcisz".