 Nyorai mberi kweiyi ndima - Kersten akapinda mu2015 European Athletics Junior Championshipsmumakwikwi emamita 10 000, kuhwina menduru yebronze. Muna 2016, akazova mukwikwidzi weBelgian indoor mumamita 3000 kekutanga. Mukumhanya kwenyika, Kersten akapedza wechisere muna 2015 kuEuropean U20 Cross Country Championships. Gore rakatevera, akapedza chegumi muU23 uye akahwina sirivheri mukumisikidzwa kwenyika nechikwata cheBelgian. 