Chịkọta isiokwu ahụ:  Michael Phelps abanyela n'asọmpi ise n'izu a na Arena Pro Swim Series na Mesa, Arizona, nke ga-abụ asọmpi mbụ ya kemgbe ọ kwụsịrị ọnwa isii mgbe a mara ya ikpe ịkwọ ụgbọala mmanya na-egbu. Phelps, bụ onye ndị USA Swimming kwụsịrị n'afọ gara aga mgbe ejidere ya maka ịkwọ ụgbọala mmanya na-egbu, na-abanye na butterfly mita 100 na Tọzdee, 100m backstroke na 400m freestyle na Fraịde na 200m onye medley na 100m freestyle na Satọde. Nnọkọ nke Eprel 15-18 adọtawo ụfọdụ n'ime ndị na-egwu mmiri kachasị elu nke United States, gụnyere onye isi asọmpi Phelps bụ Ryan Lochte, bụ onye sonyere n'otu ihe omume ise ahụ. Michael Phelps abanyela n'asọmpi ise n'Arizona n'izu a mgbe ọ kwụsịrị ọrụ ọnwa isii. Ọ ga-abụ ebe ama ama maka Phelps, onye meriri nrite ọlaedo n'egwuregwu Olimpik ugboro iri na asatọ onye kwụsịrị afọ abụọ ọ lara ezumike nká na 2014 na Mesa, na-akpali ịkọ nkọ na ọ na-atụle ịlaghachi n'egwuregwu Olimpik na 2016 Rio Games. Mgbe ejidere ya na Septemba gara aga, onye na-egwu mmiri dị afọ iri abụọ na itoolu banyere n'usoro mgbake ma kwupụta na ya na Nicole Johnson, onye bụbu Miss California USA. Phelps enwetala ihe nrite Olimpik iri abụọ na abụọ, ọlaedo iri na asatọ, mana amachibidoro ya igwu mmiri na Septemba.
A chụrụ Michael Phelps n'asọmpi igwu mmiri nke mba Amerịka mgbe e jidere ya. Ndị America na-esonye n'asọmpi ise n'izu a na Arena Pro Swim Series. Onye iro Phelps bụ Ryan Lochte abanyela n'otu asọmpi ise ahụ.