Career
He represented his country at the Summer Olympics in 2000, taking the bronze medal and made a second appearance at the 2004 Athens Olympics. His personal best of 2.34 m is the Algerian record for the event. He retired from the sport in 2010.
Hammad began his international career as a junior in 1994 with high jump silver medals at the African Junior Athletics Championships and Pan Arab Junior Championships.
He competed at the 1996 World Junior Championships in Athletics but did not make it into the final round. He had his first international success at senior level in 1997, taking silver at both the Pan Arab Championships and the 1997 Pan Arab Games.
He ascended to the top of the continental rankings at the 1998 African Championships in Athletics, where he secured the African title with a clearance of 2.21 metres. He was selected to represent Africa at the 1998 IAAF World Cup as a result and finished in sixth place.
He managed tenth place at the 1999 World Championships in Athletics that year and improved his personal best to 2.32 m in Rovereto in September.
The 2000 season marked the peak of his career: first, he retained his continental title at the 2000 African Championships in Athletics in Algiers with a career best and championship record jump of 2.34 m. He then made his Olympic debut at the 2000 Sydney Games. He had a season"s best of 2.30 m in 2003 but failed to make the final round at the 2003 World Championships in Athletics.
He represented Algeria for a second time at the Olympics at the 2004 Games in Athens, but again failed to reach the final.
He competed at the 2004 Pan Arab Games and took the high jump title with eight centimetres to spare over the opposition. The 2007 season was his final year at the top level of international competition: he was second to Kabelo Kgosiemang to take silver at the 2007 All-Africa Games and made a third and final appearance for Algeria at the World Championships, being eliminated in the qualifying stage.