Marathon world record-holder Paula Radcliffe told ITV News that she was "excited" to return to the Olympic Stadium, as thousands gather to take part in the National Lottery Anniversary Run.
Radcliffe thanked the British public and Olympic committee for "continuing to support sports".
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A fine start to the Bank Holiday weekend but some rain will arrive by Sunday.
A rapist has been given three life sentences for a vicious attack on an 81-year-old woman minutes after he sat next to her on a bus.
Ming Jiang, 43, was heavily in debt and chased by creditors when he murdered his wealthy friend.