The World Indoor Athletics Championships start on Friday in Valencia, Spain. Britain is sending the likes of sprinter Dwain Chambers and pentathlete Kelly Sotherton to the event.
You can follow all the action on BBC TV, via our interactive service, on the BBC Sport website and on Radio 5 Live.
So which British and world stars will be writing the headlines over the weekend?
BBC pundit and commentator Steve Cram reveals his top 10.
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