Shot put

• 1. Introduction

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  Shot put is one of the oldest throwing contests in human history, and today it lives in the hands of athletes capable of hurling a steel ball the length of a house in a single explosive moment. The shot, a spherical metal ball weighing 7.26 kilograms for men, is not thrown so much as put , shoved from a cradled position against the neck, released in a single burst of force from inside a circle just over two metres across. How did soldiers, kings, and cannonballs set the stage for one of the most technically demanding field events in the world? And what turned a simple feat of strength into a discipline of physics, geometry, and rotational speed?

• 2. Ancient Roots and Royal Pastimes

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  Homer, the ancient Greek poet, describes soldiers hurling rocks in competition during the siege of Troy, though no records survive of any formal weight-throwing contests in Greek athletic tradition. The earliest documented evidence for stone- or weight-throwing as an organized pursuit comes instead from the Scottish Highlands, dating back to approximately the first century. A very different cultural lineage took root there, one that would eventually travel south.

  In the 16th century, King Henry VIII became notable at court for his prowess in competitions involving weight and hammer throwing. His participation was not a sport in the modern sense but a display of physical dominance among nobility. The event that most closely resembles today's shot put, however, came from military camps of the Middle Ages, where soldiers competed by hurling cannonballs. Those improvised contests gave the event its name: a shot, as in a cannon shot, put as far as the arm could send it.

  Formal competition arrived in early 19th century Scotland, where shot put was first recorded as a structured event. By 1866, it had been incorporated into the British Amateur Championships, marking the transition from folk tradition to organized athletics. Ryan Crouser, who holds both the outdoor and indoor world records in the modern era, descends from that long lineage of throwers reaching back to those Highland fields.

• 3. The Circle and Its Rules

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  Competitors must throw from inside a circle 2.135 metres in diameter, fronted by a toe board or stop board exactly 10 centimetres high. Every measurement in the event is precise by design. The distance of a legal throw is measured from the inside edge of the circle to the nearest mark the shot makes when it lands, with all results rounded down to the nearest centimetre under IAAF and World Masters Athletics rules.

  The rules governing a legal put are numerous. The shot must be kept close to the neck throughout the motion and released above shoulder height using only one hand. Athletes may not wear gloves, though the IAAF permits taping individual fingers. The athlete must pause inside the circle before beginning the motion, and must begin that motion within one minute of being called. Crucially, the competitor must exit from the rear half of the circle only after the shot has landed.

  The throwing sector, the wedge of ground into which throws must land, was set at 34.92 degrees. That number was not chosen arbitrarily. At a distance of 10 metres from the centre of the ring, the sector bounds are exactly 6 metres apart, making it straightforward to mark and measure on any standard field. The sector has been narrowed several times in the interest of safety, most recently in 2004 when it was reduced from 40 degrees to the current angle.

• 4. The Glide

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  Parry O'Brien of the United States invented the technique now known as the glide in 1951, and it remade competitive shot put. Before O'Brien, throwers faced the front of the circle. His breakthrough was to start facing backward, rotate 180 degrees across the circle, then deliver the shot. Because the motion runs in a straight line across the diameter rather than in a rotation, the technique is described as linear.

  A right-handed thrower using the glide begins at the rear of the circle, weight loaded over a bent right leg. That posture builds what coaches call an isometric preload: the leg presses down, the ground pushes back with equal force, and the stored energy feeds directly into the throw. The left leg kicks forward, the right leg drives off the back, and as the body crosses the circle the hips rotate toward the front, the left arm swings wide then snaps back tight, and the right arm delivers the put.

  The name glide comes from the technique's signature detail: the thrower stays as low as possible crossing the circle, keeping as little air as possible under the feet. Ulf Timmermann of East Germany put the glide to historic use, placing the eighth-best outdoor throw of all time on the books, while Tomasz Majewski credited the glide technique with helping him become the first athlete in 56 years to defend an Olympic shot put title.

• 5. The Spin's Soviet Origins

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  A fundamentally different approach to generating power arrived in Europe in the 1950s, though it attracted little serious attention until the following decade. The technique, called the spin or rotational technique, borrows its kinetics from the discus throw: the athlete rotates a full turn inside the circle, building momentum before releasing the shot.

  In 1972, Aleksandr Baryshnikov set his first USSR record using the spin, working with a technique his coach Viktor Alexeyev had developed. The mechanics depend on separating the upper and lower body during the rotation, winding the shoulders and hips in opposite directions. That separation creates torque and stretches the muscles, producing an involuntary elasticity that adds power at the moment of release. When the left foot plants firmly before release, all that rotational energy is conserved and redirected into the shot in an upward and outward direction.

  Baryshnikov carried the technique to an explicit milestone in 1976, setting a world record of 22.00 metres with the spin and becoming the first shot putter in history to surpass the 22-metre mark. The spin technique also draws a comparison to figure skating: the thrower initiates rotation with a wide swing of the right leg, then pulls the limbs inward to accelerate, exactly as a skater tucks their arms to spin faster. Until 2016, no woman had ever made an Olympic final using the spin. The first woman to reach an Olympic final and earn a medal with the technique was Anita Marton.

• 6. Ryan Crouser and the Crouser Slide

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  Ryan Crouser holds both the outdoor and indoor world records for men's shot put, and the top four all-time outdoor marks in the event all belong to him. His outdoor world record of the 27th of May 2023 was set in Los Angeles. His indoor world record was set on the 24th of January 2021 in Fayetteville, Arkansas.

  Crouser added his own modification to the established spin technique, a move he calls the Crouser Slide. He used it to set the current world record at the Los Angeles Grand Prix in 2023. What makes his dominance historically unusual is the degree to which one athlete occupies the record books: among the seven best outdoor throws ever recorded, Crouser accounts for the first, second, third, and fourth positions, alongside throws from Joe Kovacs at 23.23 metres and Randy Barnes at 23.12 and 23.10 metres.

  On the 24th of June 2022 in Eugene, Oregon, Crouser threw 23.12 metres; his remaining throws in that same series measured 23.01, 23.11, and 22.98 metres. That series was the first time the 23-metre barrier had been broken more than once in a single competition. In Los Angeles on the 27th of May 2023, he broke 23 metres three times in a series, throwing 23.23, 23.31, and 23.56 metres across six attempts. The 23.56 stood as the outdoor world record. The women's outdoor record, by contrast, has been held by Natalya Lisovskaya since the 7th of June 1987 in Moscow, a mark that has endured for nearly four decades.

• 7. Glide vs. Spin Today

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  Among elite male shot putters today, the spin is dominant. The world record and the next six best male results in history were all produced with the rotational technique. Yet the glide holds a practical advantage that keeps it in active use: it produces greater consistency than the spin. Nearly all throwers learn the glide first, and many never abandon it.

  The choice is not purely stylistic. Physical build plays a role. Shorter throwers may find the rotational mechanics of the spin more suited to their body, while taller throwers may extract more from the linear drive of the glide. That guideline has many exceptions, and individual coaches often make the call on a case-by-case basis.

  A third technique, the cartwheel, involves the athlete performing a one-handed cartwheel before releasing the shot. It is currently banned in major competitions. The material of the shot itself also varies by context. Indoor shots are made from different materials than outdoor ones, since the risk of damage to indoor surroundings requires a different construction. Materials in use include iron, cast iron, solid steel, stainless steel, brass, and synthetic polyvinyl. At the women's top level, Helena Fibingova set the indoor world record on the 19th of February 1977 in Jablonec, a mark that likewise has remained on the books for decades.