British Championships 2013: Perri Shakes-Drayton seals Worlds spot
Perri Shakes-Drayton powers to victory in the women's 400m hurdles to retain her British title and secure a World Championships place.
The European indoor champion, who finished ahead of runner-up Eilidh Child, clocked a time of 54.36 seconds to clinch the British crown.
The Briton says she was focused on winning the race rather than achieving a fast time.
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