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Early Breakfast with Jenni Falconer 4am - 6am
London marks the two-year countdown to the 2012 Olympics with dozens of events across town this weekend.
The idea is to get as many Londoners involved in sports they may not have tried.
Events are taking place in Hoxton Square, Geffrye Museum, Gillette Square, Victoria Embankment Gardens, Soho Square, the Natural History Museum, Brunswick Shopping Centre, the British Library Courtyard, St Pancras International, Bermondsey Square, the Tate Modern and the O2.