British middle-distance runner Josh Kerr has set a new men’s mile world record, delivering a 3:42.66 performance at the London Diamond League. Reports say the run broke a mark that had stood since 1999, ending one of the sport’s longest-standing records in a premier distance event.

The result is a major moment for Kerr and for British athletics. The mile remains one of track and field’s most recognized races, and lowering the world record in that event carries weight well beyond a single meet result. Kerr’s time immediately places his run among the most significant middle-distance achievements in recent years.

The performance also gave the London Diamond League a headline moment, with Kerr producing his record-setting effort on home soil. A world record in front of a British crowd adds extra significance to an achievement that will be closely discussed across the sport.

With this result, Kerr strengthens his standing among the world’s elite middle-distance runners. Breaking a record that had survived for decades underlines both his current form and the growing level of competition at the top of men’s athletics.