The Mile World Record Has Lasted 27 Years. Josh Kerr Wants to End That This Summer.

The Scottish Olympic medalist is targeting Hicham El Guerrouj's 3:43.13 at the London Diamond League — and he's telling everyone about it.

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Jessy Carveth
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Jessy is our Senior News Editor, pro cyclist and former track and field athlete with a Bachelors degree in Kinesiology.

Senior News Editor

Roger Bannister broke the four-minute mile in Oxford in 1954 and collapsed into the arms of the crowd. Josh Kerr has watched that footage more times than he can count. Every time, the hairs on the back of his neck stand up.

“That’s what I live for,” the 28-year-old Scot said.

On July 18, Kerr will attempt to add his own chapter to that story. At the London Diamond League, he’ll chase the mile world record of 3:43.13 — set by Morocco’s Hicham El Guerrouj in Rome in 1999 and untouched ever since. The attempt even has a name: Project 222. That’s 222 seconds. One number. One night.

Kerr is not being shy about it. “I’m not trying to do this quietly,” he told Runner’s World. “It’s time to call my shot.”

His credentials back up the confidence. He’s a world 1500m champion, an Olympic silver and bronze medalist, and last weekend won the world indoor 3,000m title for the second time. His mile best of 3:45.34 — the British record — leaves him just over two seconds off El Guerrouj’s mark. In mile running, two seconds is enormous. Kerr isn’t pretending otherwise.

“This record has stood the test of time and there’s a reason for that,” he said. “It’s such a difficult record to get and I have a lot of respect for that.”

Why London, and Why Now

Three conditions were non-negotiable for Kerr before committing. It had to be a legal race under World Athletics rules — no time trial gimmicks. It had to happen on British soil. And his entire 2026 season had to be structured around it. With no Olympics or World Championships this year, the calendar has opened up in a way that rarely happens at the top of the sport.

“We’re treating this like our Olympic Games,” he said.

The Mile World Record Has Lasted 27 Years. Josh Kerr Wants to End That This Summer. 1

The Team Behind the Attempt

Breaking a 27-year world record is not a solo act. Kerr’s support structure includes 16 people: head coach Danny Mackey, assistant coach Julian Florez, his wife Larimar Rodriguez, his mother as head physio, a chiropractor, a massage therapist, two strength and conditioning coaches, a performance and mental coach, a nutritionist, a full-time chef, a videographer, and a race agent.

On the equipment side, Brooks is developing a custom racing spike and speedsuit tailored to Kerr’s specific footstrike and power output at 55-second quarter-mile pace. Pacemakers are already confirmed, and the race will be open to other competitors.

The Mile World Record Has Lasted 27 Years. Josh Kerr Wants to End That This Summer. 2

From Injury to World Record Contender

Twelve months ago, the picture looked very different. Kerr limped across the finish line in last place at the 2025 World Championships with a grade two calf tear. Rehab went smoothly, and by November he was mapping out his 2026 campaign — one built entirely around 222 seconds on a July evening in London.

“At your lowest moments, you find pretty incredible motivation,” he said. “Everything’s on track at this point.”

For runners who understand what it takes to chase a faster mile time — any time — there’s something compelling about watching an elite athlete stake an entire season on a single night. No backup plan. Just the clock.

Want to know how your own mile stacks up? Check out how long it takes to run a mile by age and ability, or read up on the greatest feats in running history — the night of July 18 might be joining that list.

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Jessy Carveth

Senior News Editor

Jessy is our Senior News Editor and a former track and field athlete with a Bachelors degree in Kinesiology. Jessy is often on-the-road acting as Marathon Handbook's roving correspondent at races, and is responsible for surfacing all the latest news stories from the running world across our website, newsletter, socials, and podcast.. She is currently based in Europe where she trains and competes as a professional cyclist (and trail runs for fun!).

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