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Will Young is training to run the London Marathon next month.
The singer has been training as far afield as Australia, North America and Africa for the 26 mile run on April 17.
Will is planning to raise £40,000 for the Catch22 charity which helps young people in tough circumstances.
If he manages to reach his target, the singer has promised to wear a mankini for the 2012 London marathon.
'Training across four continents for such a momentous run has been a real challenge, but one I am happy to embrace,' he added.
Will is currently working on his new album with Sugababes writer Richard X.