 Jamaica won their 10th Olympic medal of the London Olympics in the women's 4x100m relay as the Jamaica squad (Shelly-Ann Fraser-Pryce, Sherone Simpson, Veronica Campbell-Brown, Kerron Stewart, Samantha Henry-Robinson*, Schillonie Calvert*) won silver in a national record of 41.41 behind the world record breaking USA team.On the final day of the track athletics program at the 2012 Olympics Jamaica won 2 more medals.In the women's 4x400m relay Jamaica (Christine Day, Rosemarie Whyte, Shericka Williams, Novlene Williams-Mills, Shereefa Lloyd*) won bronze behind the US and Russia in a season's best 3