Leading up to the 2016 Paralympic Games, LeJean competed in international tournaments around the world including Dubai, Toronto, and Qatar. At the 2015 IPC Athletics World Championships in Qatar she earned a silver medal in the T53 shot put women's final and later took home a gold medal at the 2015 Parapan American Games. Prior to qualifying for the Paralympic Games, LeJean also set a new North American shot put record at the 2016 Aileen Meagher International Track Classic. At the women’s para-shot put event, she threw 4.48 metres to beat her previous personal best of 4.46 metres and win gold.