Gouaned won a silver medal in the 800m Youth race at the 2019 African U18 and U20 Championships in Athletics held in Abidjan (Côte d'Ivoire) behind Abdo Razack Hassan from Djibouti setting in the process an Algerian Youth record in 800m with a time of 1:47:88. Gouaned also won a silver medal in the 800m at the Athletics at the 2018 Summer Youth Olympics held in Buenes Aires (Argentina) behind Tasew Yada of Ethiopia.