Misugu Okamoto was short of a medal, but wasn't short of friends.
"We've had some bad luck," NBC Universal chief executive Jeff Shell said.
"It wasn’t any easier being here at the Olympic Games.”
Canada's Penny Oleksiak slammed an educator who "constantly dragged me down" as the worst of all time.
Runner Keely Hodgkinson, 19, also broke a longstanding British record.
Her teammate, Dalilah Muhammad, broke the record too and won the silver medal.