Buuxi weedha soo socota: Mabergs ayaa hoggaanka u haysay xulka haweenka da'yarta ah ee Sweden tartankii
2012 World Junior Curling Championships, kooxaha ay hogaaminayaan Jonna McManus iyo Sara McManus siday u kala horreeyaan. Labada tartanba, Sweden waxay gashay kaalinta afaraad. Mabergs wuxuu kaalinta saddexaad ka galay kooxda Sweden, oo ay ka soo gudubtay Sara McManus, 2013 World Junior Curling Championships. Kooxdaasi waxay noqonaysaa kooxda shanaad. Mabergs wuxuu hogaaminayay kooxda Jaamacadda Gävle oo matalaysa Sweden (oo mar kale, ay ka gudubtay Sara McManus) Universiade-ka Jiilaalka ee 2015. Halkaasna kooxdu waxay ku dhameysatay kaalinta afraad.