Al Mustafa Riyadh (; akaberekwa musi waAugust 5, 1975) mutambi wemarathon wekuBahraini anobva kuMoroccan. Riyadh akamiririra Bahrain pa2008 Summer Olympics muBeijing, kwaakakwikwidza mumarathon evarume
, pamwe chete nevamwe vake Abdulhak Zakaria, naNasar Sakar Saeed. Zvinosuruvarisa kuti, akatadza kupedza nhangemutange yose kechipiri kubva paakatambura zvakafanana paMitambo yeOlympic yeZhizha ya2004 muAthens.