Finalists run the bend, Women's 200m final, Olympic Stadium, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, strikes lightning bolt pose, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Stadium big screen shows Usain Bolt and finalists' names before Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, with finger to lips, Stadium, London 2012, Summer Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt crosses line with finger to lips, looks at Yohan Blake, Men's 200m final, London 2012, Olympic Games, London, England, United Kingdom, Europe

Usain Bolt after winning Men's 200m final, strikes lightning bolt pose, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Allyson Felix, United States, powers to victory, Women's 200m final, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe

Allyson Felix, United States, powers to win gold medal, Women's 200m final, Stadium, London 2012, Olympic Games, London, England, United Kingdom, Europe