In March 2017, Westphal's 5th place was upgraded to a bronze medal due to the disqualifications of Gamze Bulut and Tsehainesh Tsale.

Three months later, at the ACC Championship in Tallahassee, Florida, she ran 33 min 42 s 03 in the first 10,000 meters of her career and broke her third Under-23 French record of the 2015 season.

Two weeks later, she took part in the 5000m at the Salinsbury Games in London, Great Britain, and lowered, for the third time, the Under-23 French record to 15 min 28 s 61.

On October 23, 2016, she won the Mayor's Cup Cross Country meet in 16 min 53 s ahead of Amy Van Alstine and Mary Cain in historic Franklin Park, hosted by B.A.A.

In 2019, she competed in the senior women's race at the 2019 IAAF World Cross Country Championships held in Aarhus, Denmark.