Berkshire's Katherine Grainger is looking for her first Olympic gold medal today as she and partner Anna Watkins take part in the women's double sculls.
Grainger has won silver in three previous Olympics and hopes the home crowd at Eton Dorney could cheer her to victory.
Both are from Maidenhead in Berkshire.
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Philippa has Sunday's weather for the east
Philippa has Sunday's weather for the west
After a dry start, sunshine will become increasingly hazy as cloud thickens, bringing patchy light rain to some parts.