Kerr breaks mile world record

What's happened

Josh Kerr has broken the mile world record at the London Diamond League, running 3:42.66 to shave 0.47 seconds off Hicham El Guerrouj's 1999 mark. The Scot led through precise pacing from Brannon Kidder and Zan Rudolf and won by a clear margin; the meet also featured standout wins from Julien Alfred and Karsten Warholm.

What's behind the headline?

What happened

Josh Kerr has executed a planned attempt to break the mile world record and succeeded, running 3:42.66 at the London Diamond League. Pacemakers delivered controlled laps and Kerr accelerated on the final lap to take 0.47 seconds off a 27-year-old mark.

Why it matters

• The record will reset the standard for middle-distance pacing and race preparation. Kerr's Project 222 shows teams will combine biomechanical changes, bespoke kit and targeted race construction to chase records.
• Elite meets will place greater value on pacemaking strategy and technical marginal gains, which will shape how athletes and organisers plan record bids.

Who benefits

• Kerr and his team gain prestige and market value; sponsors and his training group will gain attention.
• Diamond League and London Stadium will gain credibility as a venue that stages world records.

What happens next

• Kerr will prioritise recovery and then target scheduled championship races, including the Commonwealth Games mile in Glasgow, where he will defend form. His record will force rivals to plan faster paced races or coordinated pacemaker teams to challenge him.

Risks and wider consequences

• The focus on bespoke equipment and engineered pacing will increase scrutiny from governing bodies over fairness and technical regulations. Meet organisers will face pressure to create legal, comparable conditions for record attempts.

How we got here

El Guerrouj's 3:43.13 mile has stood since 1999. Kerr has targeted the record with a campaign labelled Project 222 and entered London after strong Diamond League showings this season. The London meeting has gathered a deep international field across sprint, hurdles and distance events.

Our analysis

The New York Times Business reported the core detail: "Josh Kerr has broken the long-standing mile world record with a 3:42.66s run at the London Diamond League," and described Kerr's Project 222 and the pacemaking split times that set up the final lap. France 24 described the on-track scene and crowd reaction at London Stadium, noting pacemakers Brannon Kidder and Zan Rudolph and that Kerr "punched the air in triumph as he crossed the line." The Independent added a national angle, reporting Kerr's 1,500m split created a new British 1,500m record (3:27.51) and placed the performance in the context of his plans for the Commonwealth Games in Glasgow. BBC preview copy supplied the field context, naming rivals such as Yared Nuguse and Jake Wightman and confirming the depth of the London line-up. Together, these accounts align on the result and the pacing strategy; The New York Times gives technical pacing detail, France 24 gives atmosphere and broader meet results, and The Independent connects the performance to Kerr's season plans and national records.

Go deeper

• How will Kerr's team manage his recovery before the Commonwealth Games in Glasgow?
• Will World Athletics review equipment or pacing regulations after this record?
• Which athletes are most likely to mount a direct challenge to Kerr's new mile record?

More on these topics

• Russia - Country

  Russia, or the Russian Federation, is a transcontinental country located in Eastern Europe and Northern Asia. Covering an area of 17,125,200 square kilometres, it is the largest country in the world by area, spanning more than one-eighth of the Earth's in

• Ukraine - Country in Europe

  Ukraine is a country in Eastern Europe. It is the second-largest European country after Russia, which borders it to the east and northeast.

• International Olympic Committee - Sports governing body

  The International Olympic Committee is a non-governmental sports organisation based in Lausanne, Switzerland. Founded by Pierre de Coubertin and Demetrios Vikelas in 1894, it is the authority responsible for organising the modern Summer and Winter Olympic

• Los Angeles - Sport

  Test cricket is the form of the sport of cricket with the longest match duration, and is considered the game's highest standard.

• London - Capital and largest city of England and the United Kingdom

  London is the capital and largest city of both England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River...

• Russian Olympic Committee - National Olympic Committee

  The Russian Olympic Committee is the National Olympic Committee representing Russia.

• Sebastian Coe - Member of Parliament of the United Kingdom

  Sebastian Newbold Coe, Baron Coe, CH, KBE, Hon FRIBA, often referred to as Seb Coe or Lord Coe, is a British politician and former track and field athlete.

• Paris - Capital of France

  Paris is the capital and most populous city of France, with an estimated population of 2,150,271 residents as of 2020, in an area of 105 square kilometres.

• Sarah Storey - British cyclist

  Dame Sarah Joanne Storey, DBE is a British Paralympic cyclist and former swimmer. She is a multiple gold medal winner at the Paralympic Games in both sports, and six times British national track champion.

• Great Britain - Island in the United Kingdom

  Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of 209,331 km², it is the largest of the British Isles, the largest European island, and the ninth-largest island in the world.

• Kremlin - Fortified complex in Moscow, Russia

  The Moscow Kremlin, commonly known as just the Kremlin, is a fortified complex in Moscow, Russia. Located in the centre of the country's capital city, the Moscow Kremlin comprises five palaces, four cathedrals, and the enclosing Kremlin Wall along with...

• Gabby Thomas - American track-and-field athlete (1996-)

  Gabrielle Lisa Thomas (born December 7, 1996) is an American track and field athlete specializing in 100 and 200 meter sprint who is the 2024 200 m Olympic champion. Born in Georgia and raised in Massachusetts, Thomas competed in college for Harvard University before beginning a professional track career in 2018. Thomas also has a master of public health degree in epidemiology. At the 2020 Tokyo Olympics, she won the bronze medal in the 200 m and a silver as part of the women's 4 × 100 m relay. On August 25, 2023, she claimed the 200 m silver medal in the 2023 World Athletics Championships in Budapest with a time of 21.81 seconds. She won gold as part of Team USA in the women's 4 × 100 m relay final with a championship record of 41.03 seconds. At the 2024 Summer Olympics in Paris, Thomas won three gold medals; individually in the 200 m, and alongside her teammates in the 4 × 100 m relay and 4 × 400 m relay, in which they ran an American record and the second-fastest time ever.

• Keely Hodgkinson - English athlete specialising in the 800 metres, born 2002

  Keely Hodgkinson is an English athlete specialising in the 800 metres. She won the gold medal at the 2021 European Indoor Championships in Toruń, Poland. At 19 years and 4 days, she is the youngest Briton to win a European Indoor gold medal.

• Jake Wightman - Scottish male middle-distance runner

  Jake Wightman (born 11 July 1994) is a British middle-distance runner who primarily competes in the 1500 metres. He won the gold medal at the 2022 World Championships, the first global gold in a middle distance event for a British male since Seb Coe's...

• Hicham El Guerrouj - Moroccan runner

  Hicham El Guerrouj is a retired Moroccan middle-distance runner. El Guerrouj is the current world record holder of the outdoor 1500 metres, mile, and 2000 metres events.

• Emmanuel Wanyonyi - Kenyan runner

  Emmanuel Wanyonyi is a Kenyan middle-distance runner who specialises in the 800 metres. He won the gold medal in this event at the 2024 Summer Olympics and the 2025 World Championships, and holds the world record over the 1000 metres with a time of 2:11.8

• Yared Nuguse - American middle-distance runner

  Yared Nuguse is an American middle-distance runner who specializes in the 1500 metres. He qualified for the 1500 at the 2020 Summer Olympics with his personal best time of 3:34.68 and by finishing third at the Olympic Trials but did not participate due to

• Dina Asher-Smith - British sprinter

  Dina Asher-Smith is a British sprinter. She is the fastest British woman in recorded history and has been listed in the Powerlist as one of the UK's most influential people of African/African Caribbean descent, most recently in the 2021 edition.

• Belarus - Country in Europe

  Belarus, officially the Republic of Belarus and formerly known as Byelorussia or Belorussia, is a landlocked country in Eastern Europe.

• Kirsty Coventry - Minister of Sport, Arts and Recreation of Zimbabwe

  Kirsty Leigh Coventry Seward is the current Minister of Youth, Sport, Arts and Recreation in the Cabinet of Zimbabwe as of September 2018.

• Monaco - Country in Europe

  Monaco, officially the Principality of Monaco, is a sovereign city-state, country, and microstate on the French Riviera in Western Europe. It is bordered by France to the north, east and west, and by the Mediterranean Sea to the south.

• 2024 Summer Olympics - Olympic games

  The 2024 Summer Olympics, officially known as the Games of the XXXIII Olympiad, and commonly known as Paris 2024, is a forthcoming international multi-sport event that is scheduled to take place from 26 July to 11 August 2024 in Paris, France.

• Barcelona - City in Catalonia, Spain

  Barcelona is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.7 million within city limits, its urban area extends to numerous neighbouring municipalities within the province of Barcelona and is home to around 5.7 million people, making it the fifth most populous urban area of the European Union after Paris, the Ruhr area, Madrid and Milan. It is one of the largest metropolises on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, bounded to the west by the Serra de Collserola mountain range. According to tradition, Barcelona was founded by either the Phoenicians or the Carthaginians, who had trading posts along the Catalonian coast. In the Middle Ages, Barcelona became the capital of the County of Barcelona. After joining with the Kingdom of Aragon to form the composite monarchy of the Crown of Aragon, Barcelona, which continued to be the capital of the Principality of Catalonia, became the most important city in the Crown of Aragon and its main economic and administrative centre, only...

• World Athletics - Sports governing body

  World Athletics, is the international governing body for the sport of athletics, covering track and field, cross country running, road running, racewalking, mountain running and ultrarunning.

• 2028 Summer Olympics - Olympic games

  The 2028 Summer Olympics, officially known as the Games of the XXXIV Olympiad, and commonly stylized as LA28, is a forthcoming international multi-sport event that is scheduled to take place from July 21 to August 6, 2028, in Los Angeles, California, Unit

• Amy Hunt - British Olympic athlete

  Amy Hunt is a British sprinter who won silver in the 4 x 100 m at the 2024 Summer Olympics and silver in the 200 m at the 2025 World Athletics Championships.

• Luhansk - City in Ukraine

  Luhansk, also known as Lugansk and formerly known as Voroshilovgrad, is a city in eastern Ukraine, near the border with Russia in the disputed Donbas region.

• Italy - Country in Europe

  Italy, officially the Italian Republic, is a sovereign country consisting of a peninsula delimited by the Alps and surrounded by several islands. Italy is located in south-central Europe, and is considered part of western Europe.

• Tokyo - Capital and largest city of Japan

  Tokyo, officially the Tokyo Metropolis, is the capital and most populous city of Japan. With a population of over 14 million in the city proper in 2023, it is one of the most populous urban areas in the world. The Greater Tokyo Area, which includes Tokyo.

• Dmitry Peskov - Kremlin Press Secretary

  Dmitry Sergeyevich Peskov is a Russian diplomat, translator and Turkologist. Since 2012, Peskov has been the Press Secretary for the President of Russia, Vladimir Putin.

• Estonia - Country in Europe

  Estonia, officially the Republic of Estonia, is a country on the eastern coast of the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by

• Sweden - Country in Europe

  Sweden, officially the Kingdom of Sweden, is a Nordic country in Northern Europe. It borders Norway to the west and north, Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Öresund Strait.

• Jake Heyward - Welsh middle-distance runner

  Jake Heyward is a Welsh middle-distance runner. He turned professional in 2020 with the Oregon Track Club. Heyward went into the British Athletics Championship and Olympic trials in Manchester with a with a 3:33.99 personal best for the 1,500 metres race,

• Denmark - Country in Europe

  Denmark, officially the Kingdom of Denmark, is a Nordic country in Northern Europe. Denmark proper, which is the southernmost of the Scandinavian countries, consists of a peninsula, Jutland, and an archipelago of 443 named islands, with the largest being

• Alex Yee - British triathlete

  Alexander Amos Yee or Alex Yee is a British professional triathlete and distance runner. He won the Silver medal in the Mens' Triathlon at the Tokyo 2020 Olympics on Monday 26 July 2021.

• Finland - Country in Europe

  Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It shares land borders with Sweden to the west, Russia to the east, Norway to the north, and is defined by the Gulf of Bothnia to the west, and the Gulf of Finland of the

• Donetsk - City in Ukraine

  Donetsk, formerly known as Aleksandrovka, Yuzovka, Stalin and Stalino, is an industrial city in eastern Ukraine located on the Kalmius River in the disputed Donetsk region.

• Romania - Country in the Balkans

  Romania is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It shares land borders with Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, and Moldova to the east and has its opening

• Kherson - City in Ukraine

  Kherson is a city in the south of Ukraine. It is the administrative center of Kherson Oblast and an economic center. Designated a city of oblast significance, Kherson is an important port on the Black Sea and on the Dnieper River, and the home of a major

• European Union

  The European Union is a political and economic union of 27 member states that are located primarily in Europe. Its members have a combined area of 4,233,255.3 km² and an estimated total population of about 447 million.

• Court of Arbitration for Sport - District justice in Lausanne, Switzerland

  The Court of Arbitration for Sport is an international body established in 1984 to settle disputes related to sport through arbitration. Its headquarters are in Lausanne and its courts are located in New York City, Sydney and Lausanne. Temporary courts ar

• Kurtis Marschall - Olympic athlete

  Kurtis Marschall is an Australian pole vaulter. He competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's pole vault. His personal best in the event is 5.81 metres set in Perth in February 2019.

• London Stadium - Multi-purpose stadium at the London Olympic Park, England, United Kingdom

  London Stadium (formerly and also known as the Olympic Stadium and the Stadium at Queen Elizabeth Olympic Park) is a multi-purpose outdoor stadium at Queen Elizabeth Olympic Park in the Stratford district of London. It is located in the Lower Lea Valley, 6 miles (10 km) east of central London. The stadium was constructed specifically for the 2012 Summer Olympics and 2012 Summer Paralympics, serving as the athletics venue and as the site of their opening and closing ceremonies. Following the Games, it was rebuilt for multi-purpose use and now serves primarily as the home of EFL Championship club West Ham United, who became anchor tenants from the 2016 season. UK athletics are the other tenants in the stadium and host a round of the World Athletics Diamond League each year, known as the London Grand Prix, sometimes called the London Anniversary Games. Land preparation for the stadium began in mid-2007, with the construction officially starting on 22 May 2008. The stadium held 80,000 people for the Olympics and the Paralympic games, before it was remodelled between 2013 and 2015 with 66,000 seats, but with capacity for football limited to 60,000 under the terms of the lease. The decision...

• United Kingdom - Country in Europe

  The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom or Britain, is a sovereign country located off the north­western coast of the European mainland.

• Oblique Seville - Jamaican sprinter

  Oblique Seville is a Jamaican sprinter. Seville attended Calabar High School and is coached by Racers Track Club coach Glen Mills.

• Associated Press - News agency company

  The Associated Press is an American not-for-profit news agency headquartered in New York City. Founded in 1846, it operates as a cooperative, unincorporated association. Its members are U.S. newspapers and broadcasters.

• Ben Pattison - English athlete

  Ben Pattison (born 15 December 2001) is a British middle-distance runner, who specializes in the 800 metres. Representing Great Britain in the 2023 World Athletics Championships, he won the bronze medal in the 800 metres, mirroring the medal he won for...

• Lithuania - Country in Europe

  Lithuania, officially the Republic of Lithuania, is a country in the Baltic region of Europe. Lithuania is one of the Baltic states. The country is situated along the southeastern shore of the Baltic Sea, to the southeast of Sweden and Denmark.

• BBC iPlayer - Media player

  BBC iPlayer is an internet streaming, catchup, television and former radio service from the BBC. The service is available on a wide range of devices, including mobile phones and tablets, personal computers, and smart televisions. iPlayer services delivere

• Netherlands - Country in Europe

  The Netherlands, informally Holland, is a country primarily located in Western Europe and partly in the Caribbean, forming the largest constituent country of the Kingdom of the Netherlands.

• Poland - Country in Europe

  Poland, officially the Republic of Poland, is a country located in Central Europe. It is divided into 16 administrative subdivisions, covering an area of 312,696 square kilometres, and has a largely temperate seasonal climate.

• Fédération Internationale de Football Association (FIFA) - Football organization

  FIFA is a non-profit organization which describes itself as an international governing body of association football, fútsal, beach soccer, and efootball. It is the highest governing body of football.

• Latvia - Country in Europe

  Latvia, officially known as the Republic of Latvia, is a country in the Baltic region of Northern Europe. Since Latvia’s independence in 1918, it has been referred to as one of the Baltic states.

• BBC Sport

  BBC Sport is the sports division of the BBC, providing national sports coverage for BBC Television, radio and online. The BBC holds the television and radio UK broadcasting rights to several sports, broadcasting the sport live or alongside flagship analys