Ofner competed at the 2010 Winter Olympics for Austria. She placed 22nd in the qualifying round in ski cross, to advance to the knockout stages. She finished third in her first round heat, failing to advance.
Ofner made her World Cup debut in January 2008. As of April 2013, she has three World Cup podium finishes, the best a second place, coming at Blue Mountain in 2011/12. Her best World Cup overall finish in ski cross is 7th, in 2011/12.