Cristina Fernández de Kirchner of the Buenos Aires province, both leaders had their respective wives run for the office: Hilda González de Duhalde for the PJ, and Cristina Kirchner for the Front for Victory. Cristina Kirchner won the election. The presidential election was held on 28 October 2007. With Kirchner leading all the pre-election polls by a wide margin, her challengers focused on forcing her into a ballotage. To win in a single round, a presidential candidate in Argentina needs either more than 45% of the vote, or 40% of the vote and a lead of more than 10 percentage points over the runner-up.
Presidency of Cristina Fernández de Kirchner 2009 revealed an increase in their personal assets by 7 times, since Néstor Kirchner's 2003 inaugural. The increase was partly the product of land deals in El Calafate, a scenic, Santa Cruz Province town where the couple has long vacationed and own property (including of land and two hotels). On October 17, 2009, President Cristina Fernández proposed the compulsory submission of DNA samples in cases related to crimes against humanity, in a move lauded by the Grandmothers of the Plaza de Mayo, but excoriated by opposition figures as a political move against Clarín Media Group Chairperson Ernestina Herrera de Noble,