She finished 6th in the Under-23 race at the 2013 European Cross-Country Championships in Belgrade, Serbia, and 5th in the 5000 m at the 2013 European Athletics Under-23 Championships in Tampere, Finland. In March 2017, Westphal's 5th place was upgraded to a bronze medal due to the disqualifications of Gamze Bulut and Tsehainesh Tsale.