Faatumu le fuaiupu lenei: Al Mustafa Riyadh (; na fanau i le aso 5 o Aukuso, 1975) o se tagata tamoʻe marathon Bahraini o le amataga Moroccan. O Riyadh na fai ma sui o Bahrain i le 2008 Summer Olympics i Beijing, lea na tauva ai mo le
o tamaloloa, faatasi ai ma ona uso a atunuu o Abdulhak Zakaria, ma Nasar Sakar Saeed. Ae paga lea, e leʻi mafai ona ia faʻamaeʻaina le tuuga atoa mo le taimi lona lua talu ona ia faia le mea lava e tasi i le 2004 Summer Olympics i Atenai.