Under the patronage of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud, the Equestrian Club Honorary President, the Equestrian Club will hold on Saturday evening, its Annual Grand Horse Racing for Prince Mohammed bin Saud Al-Kabeer Cup (Category 2) at King Abdulaziz Equestrian Square in Al-Janadriya, Riyadh.