World Relay Championships: Great Britain run quickest 4x100m time of 2019 to qualify fastest
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Watch Great Britain's quartet of CJ Ujah, Harry Aikines-Aryeetey, Adam Gemili and Nethaneel Mitchell-Blake run the quickest time of 2019 to qualify fastest for the men's 4x100m final on Sunday at the World Relay Championships in Yokohama, Japan.
Click here to find out how to watch the 2019 World Relay Championships on the BBC.