Her mother coaches figure skating and father formerly competed in ice hockey.

Ranked 24th in the short program, she qualified for the free skate (17th) and finished 21st overall.

The following season, she made her first and only appearance on the International Skating Union Junior Grand Prix series, placing 8th in Mexico.

Making her Grand Prix debut, Geng finished 11th at the 2009 Cup of China.

She withdrew from the 2012 Cup of China after the short program and has made no international appearances since that event.