Rubuta ci gaba don wannan sakin layi - Lehmann ya kasance mai maye gurbin a kan 8th wuri Swiss tawagar a 2012 World Junior Curling Championship
, ko da yake ba ta taka leda a kowane wasa ba. Daga baya a waccan shekarar ta lashe lambar zinare a gasar zakarun duniya ta Mixed Doubles Curling ta 2012 tare da Martin Rios. Ma'auratan za su sake wakiltar Switzerland a Gasar Cin Kofin Curling ta Duniya ta 2013, amma sun gama na 6.