Cika wannan jumla: A Wasannin Olympics na 2016 a Rio, ta lashe lambar tagulla a
Butterfly na mita 100 tare da lokaci na 56.63. Vollmer kuma ta yi gasa a cikin tseren tseren mita 4 × 100 a wannan daren, inda ta yi iyo a mataki na uku tare da raba 53.18. Tawagar ta Amurka, Simone Manuel, Abbey Weitzeil, da Katie Ledecky sun lashe azurfa tare da rikodin rikodin Amurka na 3:31.89. Ta kuma yi iyo a cikin 4 x 100 mita medley relay, taimaka wa tawagar Amurka ta lashe lambar zinare. Zinaren ta a tseren tseren tseren shi ne zinare na 1,000 ga Amurka a wasannin Olympics na bazara.