The world's top sprinters enter the equation later Saturday, with the United States, who have won more golds in the event than all other nations combined, determined to take Bolt's mantle and regain their supremacy.
Iimbaleki ezigqwesileyo zehlabathi zingena kule nkquleqhu kamva ngoMgqibelo, kunye ne-United States, ephumelele igolide eninzi kulo mnyhadala ngaphezu kwazo zonke ezinye izizwe zidityanisiwe, zizimisele ukuthabatha ingubo kaBolt kwaye ziphinde zizuze ukongama kwazo.