From being the world junior champion to a cautionary tale of unfulfilled promise, he defied his own expectations by gaining a first senior solo medal.

She became a double world junior champion last summer at heptathlon and high jump.

As he continues to explain his devotion to a distance where he made his name as a record-breaking world junior champion in 2002, he laughs.

After becoming world junior champion over 100 metres last year, this was meant to be the time that she struggles to adapt to life among the seniors.

On the day after she became world junior champion she turned up at school and was surprised by how supportive her teachers were.