Her 4 : 00.65 from the U.S. Olympic Trials was so incredibly impressive , slashing 4.01 seconds off of her previous best from the World University Games .
She now sits less than seven tenths of a second away from that four minute barrier .
Her 4 : 00.65 from the U.S. Olympic Trials was so incredibly impressive , slashing 4.01 seconds off of her previous best from the World University Games , and she now sits less than seven tenths of a second away from that four minute barrier .