The participants, including Princess Beatrice, raced over a five mile course through the park to the main stadium.
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Runners compete in Olympic park race

31 March 2012 Last updated at 22:35 BST

Five thousand runners have taken part in a race at London's Olympic Park, becoming the first people to cross the new stadium's finish line.

Members of the public, athletes and celebrities completed the five-mile run around the park.

Katie Gornall reports.