Jamaica’s women’s 4x100m relay team (from left) of Elaine Thompson, Veronica Campbell-Brown, Shelly-Ann Fraser Pryce and Natasha Morrison reacts after winning gold yesterday. (PHOTOS: BRYAN CUMMINGS, AFP, AP)

Jamaica’s men’s 4x100m relay team (from left) of Nesta Carter, Usain Bolt, Nickel Ashmeade and Asafa Powell clasp hands upon entering the Bird’s Nest Stadium for yesterday’s final.

The look on the faces of Jamaica’s men’s 4x100m relay winners (from left) Nesta Carter, Usain Bolt, Nickel Ashmeade and Asafa Powell answers the question as they celebrate in Beijing yesterday.

Jamaica’s Asafa Powell is all focus as he motors on the second leg of the men’s 4x100m final in Beijing yesterday. Jamaica’s quartet of Nesta Carter, Powell, Nickel Ashmeade and Usain Bolt won in 37.36 seconds.

A Jamaican fan, sporting black, green and gold locks, is all smiles inside the Bird’s Nest Stadium.

Jamaica’s sprint star Usain Bolt smiles after achoring the men’s 4x100m team to victory in the final yesterday. The quartet of Nesta Carter, Asafa Powell, Nickel Ashmeade and Bolt ran 37.36 seconds.

Jamaica’s sprinter Usain Bolt looks across to the clock upon passing the finish line in the final of the men’s 4x100m event yesterday. The quartet of Nesta Carter, Asafa Powell, Nickel Ashmeade and Bolt ran 37.36 seconds.

Jamaica’s sprint legend Usain Bolt takes a selfie with fans after the men’s 4×100 relay final. Jamaica’s team of Nesta Carter, Asafa Powell, Nickel Ashmeade and Bolt ran 37.36 seconds.

Jamaica’s Nesta Carter propels from the starting blocks in yesterday’s men’s 4×100 relay final. Jamaica’s team of Carter, Asafa Powell, Nickel Ashmeade and Usain Bolt clocked 37.36 seconds for victory.

Jamaica’s Dane Hyatt (second left) receives the baton from teammate Ricardo Chambers (left background) in the men’s 4x400m heat yesterday.

Jamaica’s Christine Day competes in the women’s 4x400m heat yesterday.

Jamaica’s Fedrick Dacres prepare to throw the discus in yesterday’s final. Dacres fell outside of the medal places.