Radcliffe claims record

Women's race

Paula Radcliffe is easily inside world record pace as she approaches the halfway point looking comfortable

Paula Radcliffe smashes the old world best by over a minute as she crosses the finish line in 2:17:18

Chicago is only Paula Radcliffe's second marathon following her debut in London earlier in the year

Radcliffe will now take a well-earned break from racing after pocketing a total of $250,000 for her victory

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Men's race

Toshinari Takaoka makes the only significant attempt to break away from the leading group of runners

World record holder Khalid Khannouchi reels in Takaoka to win but just misses out on breaking his record again

Photo Gallery: Radcliffe's amazing year