Adam Gemili heads to the Olympics as World Junior 100m champion after a record-breaking run in Barcelona last night.

On the track where Linford Christie won Olympic sprint gold 20 years ago, Britain's new sprint sensation rocketed to glory in 10.05secs.

His time smashed the 10-year-old championship record, the British junior record, his lifetime best - and was the fastest 100m by any Briton anywhere this year.

Not bad for an 18-year-old ex-Chelsea footballer who a year ago was not even training as an athlete.

"It's a massive stepping stone," said Gemili. "Just making the final was an achievement but the fact I won it is so amazing. It's going to help me a lot at the Olympics."

He had flown to Spain targetting a personal best and a gold medal. On Christie's track in the splendid Montjuic Stadium he displayed a champion's composure to deliver on both counts.

Ato Boldon, the former world champion sprinter hailed Gemili's performance as the "best male 100m performance ever at a World Juniors".

And ex-Olympic gold medallist Darren Campbell, tipped him to run "near 9.90 in the right race, right conditions".

Rapid progression: Gemili is in the form of his life ahead of the London 2012 Olympics (
Image:
Getty)

Only three Brits have ever gone under 10 seconds - the last being Jason Gardener 13 years ago.

"Who knows if I can break 10 seconds," Gemili added. "All I know is that I feel good and I feel there is a lot more to come."

The Dartford teenager follows British trio Christian Malcolm (1998), Mark Lewis-Francis (2000) and Harry Aikines-Aryeetey (2006) in winning the title.

His time was 0.04secs faster than the record set by Trinidad's Darrel Brown back in 2002 and ranks him equal sixth on the all-time world under-20 list.

Behind him - way behind him - came Aaron Ernest (10.17) in second place, with Odean Skeen (10.28) third. An American and a Jamaican trailing in the wake of a British sprinter. Who'd have thought it?