7-2-12 (St. Michael, MN)  --  Authorities have identified the 16-year-old girl who collapsed during a run Sunday morning in St.Michael and died.  The Wright County Sheriff's Office says Michaela (muh-KAY'-luh) Olson was found unresponsive on a bike path near her home.  Olson was transported to a Monticello hospital where she was pronounced dead.  The medical examiner will determine the cause of death.  Health officials recommend limiting outdoor exercise when it's hot and humid - and drinking plenty of fluids.