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Every now and then, an athlete comes along that gets the sporting world very excited indeed - and Dina Asher-Smith is one of them.

She is the fastest woman in British history!

Not only that, she's just become the first British woman to win a major global sprint title.

Dina took gold in the final of the women's 200 metres at the World Athletics Championships in Doha - she'd already taken silver in the 100 metres.

Dina was also seriously impressive at the European Athletics Championships in Berlin in 2018, winning three gold medals in the 100m, 200m and 4x100m relay.

This performance made Dina the first woman since 1990 to win three European sprint titles at one championships - and the first female Briton ever to win a treble at a major championships!

So who is this superstar sprinter? Read our guide to find out more about her.

Dina Asher-Smith was born on 4 December 1995 in London.

Even as a young girl, she was super sporty and was always very good at sprinting.

At the age of eight, she joined the Bees Academy at Blackheath and Bromley Harriers Athletic Club.

A man called John Blackie became her coach and - 14 years later - they are still a team.

Dina showed loads of promise as a young athlete, winning gold medals in the World and European Junior Championships.

In fact, she was the world's fastest teenager ever over 60m and 200m.

But it would turn out that this sort of early success was just a sign of things to come.

In 2015, Dina would rewrite British sprinting history at a senior level.

She started her record-breaking streak by smashing the British 100m record in London. If that wasn't enough, she went on to break the British 200m and 4x100m relay records at the World Championships in Beijing later that year.

Michael Johnson - four-time Olympic champion and a Â鶹Éç athletics pundit - says: "I have been watching British athletics with the Â鶹Éç since 2002 and in all that time I have not seen anyone like Dina Asher-Smith."

"British sprinting at junior level has always been good" but what makes Dina so special is the fact that "she continued to improve year after year, can compete against the best in the world and has the full package, physically and mentally," he added.

Even athletes like Mo Farah "took a lifetime" to reach the best they could be, explains Michael.

So what next for this superstar talent?

The big event that everybody is already talking about is the next Olympic Games, which will be taking place in Tokyo in Japan.

And Michael thinks that she's got what it takes.

"Is she capable of winning gold in Tokyo? Absolutely," he says.

"She is absolutely now one of the best in the world. When other athletes are training for these world medals, they will have Dina Asher-Smith in mind."