BBC Sport - Great Britain athletes on Harry Potter, bowling and nails

Team GB's Potter geek and nail freak

Members of Great Britain's World Athletics Championships team talk about their interests away from the track.

Dina Asher-Smith, Jodie Williams and Michael Rimmer are among those who reveal their secret passions.

The BBC has extensive live coverage of the 2015 World Championships across TV, Red Button, radio, desktop, mobile, tablet and app.

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