Kammala jumla mai zuwa: A gasar zakarun Faransa ta 2010, a Saint-Raphäel, ta lashe gasar tseren mita 200 da kuma tseren mita 400, inda ta zama ta biyu a Coralie Balmy a tseren mita 200 na 'yanci. A cikin
Gasar Zakarun Turai a Budapest, Muffat ta isa a matsayin wacce aka fi so ta dauki zinare a tseren mita 200 na mutum, inda ta bayyana wa manema labarai cewa lambar zinare ita ce burinta a wannan taron. Koyaya, bayan jagorantar filin zuwa horo na uku na haɗuwa, bugun kirji, Katinka Hosszú na Hungary ya sha kanta, wanda ya sa Muffat ya rasa ƙarfi kuma ya gama na huɗu a cikin taron. A wannan ranar, tawagar Faransa ta 4 × 200 m freestyle relay ita ma ta gama na biyu a wasan karshe lokacin da Muffat, wanda ke jagorantar relay na Faransa, wani dan wasan Hungary, Evelyn Verrasztó ya wuce shi. Kwana biyu bayan haka, za ta kuma gama na 4 a cikin tseren tseren mita 200, wanda dan wasan Italiya Federica Pellegrini ya lashe.