Dubé teamed up with Bryce Davison in July 2003. The two had a successful junior career before moving up to the senior level in 2005–06. They placed 10th at the 2006 Winter Olympic Games and 7th at the World Championships that same season. She has also competed in singles skating. Her highest finish in the senior ladies' event at the Canadian Championships was 6th in 2008; internationally, she was a medallist at two junior Grand Prix events.