Usain Bolt celebrates winning his third gold medal at the Beijing Olympics

Samantha Albert rides Before I Do It during the cross-country portion of the competition. She created history by becoming Jamaica's first equestrian at the Games.- File photos

Women's 100-metre gold medallist Shelly-Ann Fraser (left) and joint silver winners Kerron Stewart (centre) and Sherone Simpson after their historic feat in the women's 100m final.

Jamaica's 4x100m relay team (from left) Asafa Powell, Nesta Carter, Usain Bolt and Michael Frater celebrate winning the final and breaking the world record.

Usain Bolt (right) gestures before crossing the finish to win the gold medal, followed by silver medallist Richard Thompson from Trinidad and Tobago, in the men's 100m.

Veronica Campbell-Brown lunges for the line to win the gold medal in the women's 200m final.

Kerron Stewart with her bronze medal for the women's 200m.

Melaine Walker struts her stuff after winning the 400m hurdles final.

Jamaica's 4x400-metre relay team shows off its bronze medals.

Usain Bolt celebrates as he wins the men's 200m final with another world-record time.

Shelly-Ann Fraser jumps for joy after winning the women's 100-metre final at the Beijing Olympics.