Education
Lahlou finished seventh in 4 x 400 metres relay at the 1991 World Championships, together with teammates Abdelali Kasbane, Ali Dahane and Bouchaib Belkaid.
Lahlou finished seventh in 4 x 400 metres relay at the 1991 World Championships, together with teammates Abdelali Kasbane, Ali Dahane and Bouchaib Belkaid.
Participating in the 1996 Summer Olympics, he finished eighth in the 800 m final.