The Latest on the Olympics ahead of the Rio Games (all times local to Rio):
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12:15 p.m.
Michael Phelps has dropped the 100-meter freestyle from his schedule at the U.S. Olympic swimming trials.
He wasn't among the swimmers listed in the preliminary heats on Wednesday morning in Omaha, Nebraska. That leaves Phelps with three events over the eight-day meet.
Earlier, the 18-time Olympic gold medalist dropped the 200 free from his plans. Phelps famously swam and won a historic eight gold medals at the 2008 Beijing Games.
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11:50 a.m.
The IAAF will rule this week on whether a group of Russian track athletes can compete at the Rio Olympics as individuals.