Kenya's Julius Yego produced a mammoth throw of 92.72 metres to win World Championship gold in Beijing. It is the furthest javelin throw for 14 years, and sets a new Commonwealth record.
However, what sets Yego apart from his competition is the way he has perfected his event, not by use of a coach, but by analysing vintage YouTube videos of some of javelin's best ever performers.
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What may seem like a ridiculous way to improve a technique to some, has clearly paid off for Yego, as in the end he dominated the final winning by nearly four metres.
"There will not be another YouTube athlete coming through," said Yego.
"I want to go back and watch my throw, it was almost perfect."
The Kenyan's technique sees him utilise the entire runway within millimetres of committing a foul throw. He uses his momentum and performs a dive after the javelin is thrown, a clearly effective technique and one which is being taken up by more and more javelin throwers coming through the ranks.
This victory means that Kenya have jumped to first place in the medal table, with six golds and a total of 11 medals so far. In second place are the United States with Great Britain close behind in fourth.