Jamaika ayaa ku guuleysatay billaddii 10-aad ee Olombikada London ee 4x100m ee dumarka
Xulka Jamaica (Shelly-Ann Fraser-Pryce, Sherone Simpson, Veronica Campbell-Brown, Kerron Stewart, Samantha Henry-Robinson *, Schillonie Calvert *) ayaa ku guuleystay lacag iyada oo rikoor qaran ah oo ah 41.41 oo ka dambeysa rikoorka adduunka ee jabiyay kooxda Mareykanka.