# Josh Kerr uses speed suits and altitude rooms in bid to break mile world record

Scottish middle-distance runner Josh Kerr is employing cutting-edge technology, including speed-enhancing suits and altitude training rooms, to prepare for an attempt at the world record in the mile. The record, held by Hicham El Guerrouj since 1999, is considered one of athletics' most iconic marks. Kerr's innovative approach highlights the growing role of science in elite sport.

**Importance:** 3/5

## Sources

### Sports
- [BBC Sport](https://www.bbc.co.uk/sport/athletics/articles/c99238jplr1o?at_medium=RSS&at_campaign=rss) — Fri, 17 Jul 2026 13:35:03 GMT
- [The Guardian Sport](https://www.theguardian.com/sport/2026/jul/17/josh-kerr-one-mile-world-record-bid-keely-hodgkinson-london-diamond-league-athletics) — Fri, 17 Jul 2026 15:59:15 GMT
- [BBC Sport](https://www.bbc.co.uk/sport/athletics/articles/cx2jl1wge2po?at_medium=RSS&at_campaign=rss) — Sat, 18 Jul 2026 14:48:16 GMT
- [BBC Sport](https://www.bbc.co.uk/sport/athletics/videos/c79gnyw7v3xo?at_medium=RSS&at_campaign=rss) — Sat, 18 Jul 2026 15:20:33 GMT
- [The Guardian Sport](https://www.theguardian.com/sport/2026/jul/18/josh-kerr-makes-athletics-history-by-shattering-one-mile-world-record-in-london) — Sat, 18 Jul 2026 14:56:05 GMT
- [Fox News Sports](https://www.foxnews.com/sports/josh-kerr-crushes-27-year-old-world-mile-record-after-delivering-bold-promise-london) — Sun, 19 Jul 2026 22:18:47 -0400

### Technology
- [Hacker News](https://news.sky.com/story/british-runner-josh-kerr-breaks-world-record-for-mile-which-had-stood-for-27-years-13564688) — Sat, 18 Jul 2026 15:08:32 +0000

### World
- [Al Jazeera](https://www.aljazeera.com/sports/2026/7/18/uks-josh-kerr-smashes-longstanding-world-mile-record-in-london?traffic_source=rss) — Sat, 18 Jul 2026 17:29:23 +0000