Josh Kerr is confident he is in the kind of form that could see him break the 27-year-old world record for the mile to add his name to a storied list of previous British athletes.

At the London Diamond League on Saturday, 2024 Olympic 1,500m silver medallist Kerr will try to beat a time that has stood since 1999.

To support Kerr's attempt to break the men's mile world record, there's been plenty of research, testing and product development