The Massachusetts woman who set out to run seven marathons on seven continents in one week ran her last race on Friday and won. 

Becca Pizzi was in Sydney, Australia on Friday where she ran her last of the seven races. 

The World Marathon Challenge Facebook page announced the winners, both from the United States, Friday afternoon. 

Timeline Photos – World Marathon Challenge

She started the World Marathon Challenge in Antarctica last week.

Pizzi is the first American woman to complete the challenge.

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