Lowe competed for Great Britain at the 2008 Summer Olympics in Beijing in two individual events, as well a British relay team. She finished sixth in the 100-metre butterfly final with a time of 58.06, and reached the semi-finals of the 200-metre butterfly, coming ninth with a time of 2:07.87. She was also a member of the British 4x100-metre medley relay team that came fourth in a European record time of 3:57.50.