Mezue ahịrịokwu na-esonụ: Na 2010 French Championship, na Saint-Raphäel, ọ meriri ma ihe omume 200 m nke onwe ya na ihe omume 400 m nke onwe ya, na-emecha nke abụọ na Coralie Balmy na ihe omume 200 m freestyle. Na
European Championships na Budapest, Muffat bịara dị ka ọkacha mmasị iji nweta ọla edo na 200 m onye medley, na-ekwupụtara ndị nta akụkọ na ọla edo bụ ebumnuche ya na ihe omume ahụ. Agbanyeghị, mgbe ọ na-eduga n'ọhịa n'ime ọzụzụ nke atọ nke medley, breaststroke, onye Hungary Katinka Hosszú gafere ya, na-eme ka Muffat ghara inwe ume ma mechaa nke anọ na ihe omume ahụ. N'otu ụbọchị ahụ, ndị otu French 4 × 200 m freestyle relay na-emecha nke abụọ na njedebe mgbe Muffat, onye na-akwụsị relay French, onye ọzọ na-egwu mmiri Hungary, Evelyn Verrasztó. Mgbe ụbọchị abụọ gachara, ọ ga-abụkwa onye nke anọ n'asọmpi 200 m freestyle, nke onye Italiantali na-egwu mmiri Federica Pellegrini meriri.