After a fallow day for Britain, the pressure is ramped up on Keri-Anne Payne to deliver in the 10k open-water swim. Hyde Park crowds have been enormous during the Games, and this should be no exception as the world's best do battle in the Serpentine.
Swimming - women's 10km open-water - 12pm
BIG NAMES IN ACTION
Usain Bolt versus Yohan Blake, part two. Bolt took the honours in the 100m final, but Blake has his chance to make amends over the longer distance. Neither man has had to extend himself to get into the final, so the outcome is anyone's guess.
Athletics - finals from 19:00
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