Tusi se faʻaauau mo lenei palakalafa - Al Mustafa Riyadh (; na fanau i le aso 5 o Aukuso, 1975) o se tagata tamoʻe marathon Bahraini o Moroccan amataga. O Riyadh na fai ma sui o Bahrain i le 2008 Summer Olympics i Beijing, lea na ia tauva ai mo le marathon a alii
, faatasi ai ma ona uso a tagata 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.