Barr produced a dominant display to win his 12th national title in the men’s 400m hurdles on Sunday but fell short of the automatic Olympic qualifying standard of 48.70 when clocking 50.61

Mu is the reigning Olympic champion, a title she won in Tokyo while still a teenager.

Path to Paris, a three-part documentary series made by Darragh Bambrick, presents this week aiming to show why every Olympic story, at heart, is about toiling in the shadows for a day in the sunlight