Kammala wannan jumla: A 2007, Peszek ya kasance wani ɓangare na 'yan wasan Amurka da suka lashe lambar zinare a gasar Olympics ta duniya.
Gasar Gasar Gymnastics ta Duniya da Wasannin Pan American. A watan Maris na shekara ta 2008, ta yi gasa a gasar cin kofin Amurka kuma ta kasance ta uku a cikin duka, a bayan 'yan wasan Amurka Nastia Liukin da Shawn Johnson.