Olympics; Tom Jenkins' best pictures

Emma Pooley of Great Britain starts the women's cycling time trial Photograph: Tom Jenkins/Guardian

An exhausted Nicole Cooke of Great Britain struggles up the final hill to finish the womens cycling time-trial Photograph: Tom Jenkins/Guardian

Pooley recovers after the race Photograph: Tom Jenkins/Guardian

Kristin Armstrong of USA completes the course 25 seconds faster than Pooley to snatch gold Photograph: Tom Jenkins/Guardian

The top three take to the podium with Pooley, left, holding her silver medal Photograph: Tom Jenkins/Guardian

Yuki Ota of Japan (left) scores a hit on Benjamin Philip Kleibrink of Germany in the men's individual foil final. Photograph: Tom Jenkins/Guardian

Kleibrink of Germany celebrates a hit on Ota. The German went on to win the gold Photograph: Tom Jenkins/Guardian

Brita Heidemann of Germany (right) scores a hit on Ana Maria Branza of Romania in the women's individual epee final. Photograph: Tom Jenkins/Guardian

Heidemann of Germany (left) celebrates winning the gold Photograph: Tom Jenkins/Guardian

Sebastian Stoss of Austria in the heats of the men's 200m backstroke swimming Photograph: Tom Jenkins/Guardian

Francesca Halsall of Great Britain on the final leg of the womens 4x200m freestyle swimming relay heat Photograph: Tom Jenkins/Guardian

Michael Phelps on the breaststroke leg of the men's 200m individual medley heats. Photograph: Tom Jenkins/Guardian

Mel Marshall, Hannah Miley and Joanne Jackson of Great Britain look distraught as they realise they are going to miss out on the womens 4x200m freestyle relay final Photograph: Tom Jenkins/Guardian