[4] After captaining Kolbotn through the 2007 and 2008 seasons Rønning declined a contract extension and joined the newly formed team Stabæk FK in early 2009.

On 4 September 2009 Rønning overcame a knee injury to play her 100th game for Norway in their 3–1 quarter-final win over arch-rivals Sweden in the UEFA Women's Euro 2009.

Veteran national coach Even Pellerud selected Rønning in Norway's squad for UEFA Women's Euro 2013 in Sweden.

[10] In the final at Friends Arena, she had a first-half penalty kick saved by Germany's goalkeeper Nadine Angerer.

[14] In January 2009, Rønning married national team-mate Kristin Blystad-Bjerke, shortly after same-sex marriage in Norway was made legal.