Wesh represented Haiti at the 2012 Olympics in London. In an Instagram post in 2020, she wrote about how proud she was to represent her country. "In 2012, at 21, I became the first Haitian female to qualify for the semi finals in the 400m dash at the Olympic Games held in London," Wesh wrote. "Although failing to move forward to the finals I will never forget the pride I felt to bear my flag across my chest."