LONDON 2017: Sally Pearson wins gold in 100-metre hurdles

Damian Warner in the decathlon long jump at the IAAF World Championships London 2017

Sally Pearson has completed a remarkable comeback, storming home to win gold at the 100m hurdles in London and becoming the world champion once again. The world championships began in 1983.

Statistically, Pearson has now won more individual Olympic and world championship medals than 400m champion Cathy Freeman.

Sally Pearson celebrates with mascot Hero the Hedgehog.

"They're the ones I have to thank tonight because I don't think I would be here without them".

Her confidence will be sky-high after previously considering retirement, whilst Harper-Nelson, at the age of 33 has another medal in an illustrious career which includes the Olympic title nine years. "This is just so incredible to be a world champion again", Pearson, also the silver medallist in the Beijing Olympics, said.

This victory, she admits, is as sweet as any after the journey she has undertaken to get here - four years lost from major championships, putting aside the lesser Commonwealth Games, ruined by serious calf, Achilles and hamstring injuries as well as a wrist shattered in a fall.

Her last appearance at the world titles was in Moscow in 2013 where she claimed the silver medal.

Making the victory even more special was that Pearson had coached herself for the past year.

On her joyous finish-line exclamations, she said: "I don't know if it was surprise but the emotion just escaped my body because I was so excited and so happy to have achieved what I've worked so hard for". Is this the right person to do it for me?

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"I am really excited to come out of this with a medal for the US".

Hilliard said the coaching as well as the injuries marked Pearson's performance as extraordinary.

"She is the first person to do that, anyone would be impressed".

She added: "I have no idea where my mum is sitting".

"When I knew I felt that I knew it was in me to do it".

The Jamaican, who had looked in great shape in the morning heats, was never at the races after hitting the first hurdle and clattered several more to round off a disappointing defence of her title.

The 30-year-old's sublime run contrasted sharply with America's world record holder Kendra Harrison who squeaked into the final as the slowest of the two fastest losers who qualify.

"I watched what happened at the warm-up track ..."

"From the first day I started training (in August 2016) I knew it was possible, I knew I could get here", she said. Then she went to work. She's just a classic athlete who finds another level.