Rubuta ci gaba don wannan sakin layi - A cikin 2007, Gamm ta kai lokacin da ta sami nasara a cikin nutsewa, lokacin da ita da abokin aikinta Subschinski suka sami lambar tagulla don wannan horo a Gasar Cin Kofin Duniya ta FINA a Melbourne, Ostiraliya, suna tara maki 306.63. A gasar zakarun Turai ta 2008
a Eindhoven, Netherlands, Gamm ta sami lambar zinare ta huɗu a jere (wanda aka fara yi a 2002), tare da abokin aikinta Subschinski, a cikin dandamalin mata, tare da jimillar maki 336.63.