Kenya's Alfred Kirwa Yego watches a replay after the first round of the men's 800mPhotograph: Thomas Lohnes/AFP/Getty ImagesCompetitors hold their pace through the 800mPhotograph: Christophe Karaba/EPAKenya's Asbel Kipruto Kiprop and Bahrain's Yusuf Saad Kamel congratulate one another on their successPhotograph: Thomas Lohnes/AFP/Getty Images
France's Renaud Lavillenie prepares to qualify in the men's pole vaultPhotograph: Fabrice Coffrini/AFP/Getty ImagesAn unidentified competitor soars above the bar to qualify for the men's pole vault finalPhotograph: Adrian Dennis/AFP/Getty ImagesSteven Hooker of Australia talks with Lavillenie after qualifying for the pole vault despite a thigh injuryPhotograph: Fabrice Coffrini/AFP/Getty ImagesGreat Britain's Steven Lewis jumps for joy after successfully qualifying for the pole vault finalPhotograph: John Giles/PAAs the heat intensifies, spectators seek shelter under umbrellas at the Olympic StadiumPhotograph: Rainer Jensen/EPADutch decathlete Ingmar Vos looks ahead at the start of the 110m hurdlesPhotograph: Kerim Okten/EPAFrance's Romain Barras, Ukraine's Oleksiy Kasyanov and South Africa's Willem Coertzen push for medals in the 110m hurdlesPhotograph: Adrian Dennis/AFP/Getty ImagesContinuing his decathlon quest, Vos flings the discusPhotograph: Adrian Dennis/AFP/Getty ImagesNicklas Wiberg of Sweden watches the progress of his discus throwPhotograph: Kay Nietfeld/EPAJamaica's Melaine Walker, left, is followed home by Lashinda Demus of the US on the way to winning the women's 400m hurdles final in 52.42secPhotograph: Adrian Dennis/AFP/Getty ImagesThe American Trey Hardee, second from right, celebrates with fellow competitors after winning the men's decathlonPhotograph: Adrian Dennis/AFP/Getty ImagesCroatia's Blanka Vlasic goes clear on the way to winning the women's high jump with a leap of 2.04mPhotograph: Adrian Dennis/AFP/Getty ImagesJamaica's Usain Bolt admires his new 200m world record of 19.19sec with championship mascot BerlinoPhotograph: Adrian Dennis/AFP/Getty Images
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