Shakes-Drayton runs personal best

Britain's Perri Shakes-Drayton runs a personal best to finish second to Zuzana Hejnova of the Czech Republic in the 400m hurdles at the Anniversary Games.

The Londoner was overtaken on the final straight as Hejnova ran 53.07 seconds, the fastest time of the season.

Shakes-Drayton says "what more could you ask for" than to run a personal best time of 53.67 seconds in front of her home crowd as she prepares for the World Championships in Moscow.

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