is producing some sensational times, yesterday we were speaking about the world record that came in the men s 400 metres hurdles, norway setting that one and today we have the women s event, the 400 metres hurdles and another world record, this time set by the american sydney maclachlan, a brilliant run from her she was the current world record holder, she said those on the olympic trials in the lead up to these other brigades and she set a even better time. very close behind it was herfellow american, delilah mohammed, she was the defending champion but she had to settle for silver and then the dutch runner, a youngster, really good, promising talent was able to finish in the bronze medal position, we are seeing so many fast times on this track, lots of people wondering what is