Set Syrian national record in 400 m freestyle (short course) in Istanbul.
On December 14, 2012, Yusra Mardini, at the age of 14, set a Syrian national record in the women’s 400 m freestyle (short course). Competing at the 11th FINA World Swimming Championships in Istanbul, she achieved a time of 4:56.66. This record highlighted her burgeoning talent and potential in swimming on the international stage at a remarkably young age.