Defending champion Irene Wust made a fast start in her run, but could not keep up with Sablikova's fast pace.

BBC: Martina Sablikova wins 3,000m speed skating gold medal

Azarenka will take on Serena Williams in the final after the American made fast work of her semi-final defeat of Italy's Sara Errani.

CNN: Azarenka, Williams to meet in U.S. Open final

Much was made about her knee and whether it would hinder the fast start needed off the blocks to be a contender in the race.

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