Dina Asher-Smith unhappy with semi-final display

Dina Asher-Smith of Great Britain competes in the Women's 200 metres semi-final during day six of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 27, 2015
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Great Britain's Dina Asher-Smith says that she was disappointed with her performance in the women's 200m semi-finals, despite earning a place in the final.

Great Britain's Dina Asher-Smith has said that she was unhappy with how she performed in the women's 200m semi-finals, despite her time being enough to earn a place in the final.

Asher-Smith could only finish in fourth position in the first semi-final but her time of 22.49s proved enough for the sprinter to advance as a fastest loser.

However, last year's World Championship finalist has admitted that she will need to improve if she is to challenge for a medal.

The 20-year-old told BBC Sport: "I'm not happy with that, I know I can do much better.

"My bend was good and I think it was good until 150m, then I got into a wrong body position and it is hard to correct and makes you slow down."

Teammate Jodie Williams could only finish in eighth place in the second semi-final.

Mo Farah of Great Britain celebrates after winning the Mens 3000m Final during day one of the Sainsbury's Anniversary Games at The Stadium - Queen Elizabeth Olympic Park on July 24, 2015
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