Kammala jumla mai zuwa: A Wasannin Olympics na 2012 a London, Beisel ya sanya lokaci na 4:31.68 a cikin farkon
Gasar tseren mita 400. Ta kasance ta farko da za ta shiga wasan karshe, kuma ta sami lambar azurfa don kammala na biyu a bayan Ye Shiwen na China tare da lokacin 4:31.27 zuwa 4:28.46 na Ye. Ta kuma lashe lambar tagulla ta hanyar sanya na uku a tseren mita 200 tare da lokacin 2:06.55, a bayan Amurka Missy Franklin da Rasha Anastasia Zuyeva.