World Athletics Championships 2013: this is nothing like Olympic pressure, says Perri Shakes-Drayton, ahead of 400m hurdle final She admitted that, after winning her semi-final on Tuesday in 53.92secs - powerfully running down Lashinda Demus, the defending champion from the United States over the last couple of hurdles - doubts had played on her mind ahead of the race, but that they were now gone. She has enjoyed the season of her life so far this year, running a new personal best of 53.67s at the London Anniversary Games, but admits now is when it matters. " (This is) the real deal," she said. Standing in her way, though, is Hejnova, one of the most dominant athletes on the track this summer. She beat Shakes-Drayton into second at the Anniversary Games, running a world leading 53.07. Indeed, she has run five of the six fastest times of the year and reckons there is more to come after cruising through her semi-final. "I really would love to run my fastest time in the final," she said. I think I was able to save some energy for that. I believe that in the end I can run very fast.