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U.S. Olympic Swimming Trials: Preliminary session
The preliminary heats of the women's 100m backstroke (0:30), the men's 200m freestyle (0:40:30), women's 100m breaststroke (1:15:45), men's 100m backstroke (1:45:15 / swim off: 3:38:30) and women's 400m freestyle (A flight: 2:32:45 / B flight: 3:01:25) at U.S. Olympic Swimming Trials.