Around 15,000 people followed in the footsteps of medal-winning stars today when they took part in a race at the Olympic Stadium, crossing the finish line.
Olympic gold medallist Sir Chris Hoy joked that he had not taken part in today's National Lottery run at the Olympic Stadium because he is "better on wheels than on foot".
Sir Chris said the run was a chance to "thank the British public".
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".
The scene is set for today's National Lottery Anniversary Race, which is taking place at the Olympic Park in Stratford, east London:
Morning everyone. It's the big day!!! You are going to be one of the first #backtothestadium
Paula Radcliffe, who missed out on competing at the London 2012 Olympics due to injury, said she is "looking forward" to the National Lottery Anniversary Run later today: