She went to the University of Texas to train with Mark Schubert, who believed in heavy distance training.

Mark Schubert, the women's coach there, is the coach of the American women's team.

Mark Schubert, the coach there, is known for working his swimmers hard.

"It's exciting to see these kids," said Mark Schubert, the Texas women's coach.

On the advice of her coach, Mark Schubert, she raced less and trained more through the fall, and the strategy paid off tonight.

Mark Schubert, the United States coach, called it "the greatest performance of all time."

"I was surprised she beat her like that in the second 50 meters," said Mark Schubert, head coach of the women's swimming team.

"The depth here could be incredible," said Mark Schubert, the veteran coach.

"That way, it is a learning experience instead of a death penalty," said Mark Schubert, who coaches Quance.

"I really think there's a lot of expectations for records when in fact we should just respect outstanding performances," says her coach, Mark Schubert.