Josh Kerr, 28, runs a mile in 3 minutes 42.66 seconds, breaking the world record during the weekend, according to the report. The article also says experts describe factors that may contribute to his performance. It highlights the role of modern running footwear, referring to “supershoes,” and the use of a specialized “speed suit.” The piece further points to Kerr’s physical characteristics, describing his strong build or stature as supportive of the effort needed for elite middle-distance running. Overall, the account frames Kerr’s sub-four-minute mile breakthrough as the result of a combination of advanced equipment and athlete attributes, while presenting the performance itself as the central event. (The provided sources focus on the record time and associated scientific explanations, without supplying detailed experimental methods or comparative data.)