Olympics: Photos by Tom Jenkins

Lee of Hong Kong is slow to start the triathlon race, opting not to get embroiled in the early scrap for clear water Photograph: Tom Jenkins/Guardian

Competitors jostle for the lead in the Ming Tomb Reservoir Photograph: Tom Jenkins/Guardian

Britain's Will Clarke and Tim Don emerge from the water at the end of the swimming leg Photograph: Tom Jenkins/Guardian

The chasing peloton working hard to close the gap in the cycle leg of the race Photograph: Tom Jenkins/Guardian

The leading pair going into the final stage of the triathlon, the run, were Axel Zeebroek of Belgium and Dirk Bockel of Luxembourg, though neither finished in the top 10 Photograph: Tom Jenkins/Guardian

Alistair Brownlee of Team GB leads the main pack as they embark on the running leg Photograph: Tom Jenkins/Guardian

Brownlee tosses a bottle of water over his shoulder and goes on to finish in a respectable 12th place Photograph: Tom Jenkins/Guardian

Cyclist Chris Hoy celebrates with his family and friends after victory in the sprint gave him his third gold medal of the Games Photograph: Tom Jenkins/Guardian

The British team applaud Hoy as he receives his gold medal Photograph: Tom Jenkins/Guardian

Hoy proudly displays the fruits of his labour Photograph: Tom Jenkins/Guardian

Hoy's jubilant mother shows three fingers to her husband in celebration of the triumphs by her son at the velodrome Photograph: Tom Jenkins/Guardian