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Curling

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Curling is a strategic team sport played on a rectangular sheet of ice.

curlingsheet
curlingsheet

Two teams of four players compete to slide heavy granite stones toward a target area. This target is called the house and consists of four concentric circles.

CurlingHouseAndBackline
CurlingHouseAndBackline

The house is centered on the intersection of the center line and the tee line. Points are scored by placing stones closer to the center, known as the button, than the opponent.

Rock on the button.
Rock on the button.

A game usually consists of eight or ten ends. An end is completed once both teams have thrown all their stones. Each team has eight stones per end, meaning every player throws two stones.

To play, a player pushes off from a fixed rubber-lined hole called a hack.

hack
hack

They deliver a polished granite stone, often called a rock, toward the house. As the player releases the stone, they rotate it to create a curved trajectory. This motion is known as a curl.

Curling pictogram
Curling pictogram

To influence the stone's path, two teammates act as sweepers. They use brooms or brushes to sweep the ice in the stone's path. This action reduces friction through the Thin Film Model. Sweeping allows the stone to travel farther and follow a straighter line with less curl.

Olympic Curling, Vancouver 2010 crop sweeping
Olympic Curling, Vancouver 2010 crop sweeping

The playing surface is not perfectly smooth like a skating rink. Ice makers spray water droplets onto the surface to create a texture called pebble.

Legal brushhead in curling
Legal brushhead in curling

This pebbled surface resembles an orange peel. The stone moves on top of these small bumps rather than sliding on flat ice. The concave bottom of the stone and the pebble work together to decrease friction. This allows the stone to travel the length of the sheet. If the pebble wears down, the ice maker must scrape and re-pebble the surface to maintain consistent play.

Curling has deep roots in Scottish history dating back to the early 16th century.

Curling on a lake in Dartmouth, Nova Scotia, Canada, ca. 1897
Curling on a lake in Dartmouth, Nova Scotia, Canada, ca. 1897

One stone found in Dunblane, Scotland, is inscribed with the date 1511. The first written reference to a curling contest appeared in the records of Paisley Abbey in 1541. In these early days, stones were often flat-bottomed rocks from rivers or fields. They lacked handles and were inconsistent in shape and size. Some players even used stones with holes for fingers, much like bowling balls. As the sport grew, purpose-built curling ponds were created in many Scottish towns.

As the sport evolved, it became more organized and professional. The Kilsyth Curling Club, founded in 1716, claims to be the first club in the world. The Royal Caledonian Curling Club, founded in 1838, helped develop the first official rules. In the 19th century, curling was so popular in Scotland that private railway stations were built to serve players. The sport was also known as "the roaring game." This name comes from the sound the stones make while traveling over the pebble.

Curling on Lake of Menteith - geograph.org.uk - 1756810
Curling on Lake of Menteith - geograph.org.uk - 1756810

Modern equipment is strictly regulated by the World Curling Federation. A standard curling stone must weigh between 38 and 44 pounds. It must have a maximum circumference of 36 inches and a minimum height of 4.5 inches. The only part of the stone that touches the ice is a narrow, flat ring called the running surface. This ring is about 4 to 6 inches in diameter. The sides of the stone bulge outward, while the inside of the ring is hollowed out. This design ensures the stone glides efficiently across the pebbled ice.

Today, curling is a major international sport and a Winter Olympic medal event.

12-01-20-yog-674
12-01-20-yog-674

It has been officially included in the Olympics since the 1998 Winter Games. The sport has expanded far beyond Scotland and Canada to include countries like Japan, China, and Brazil. Canada has been particularly dominant in Olympic competition. The first world championship, called the Scotch Cup, was held in 1959. Since then, curling has grown into a global game of precision, strategy, and teamwork.

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🖼️ Images & Media (26)
File:Pieter Brueghel de Jonge - Winterlandschap met vogelval (Brukenthal Museum) (curling crop).jpg
Pieter Brueghel de Jonge -...
File:Curling at Eglinton castle, Ayrshire, Scotland.jpg
Curling at Eglinton castle, Ayrshire, Scotland.jpg
File:Curling on a lake in Dartmouth, Nova Scotia, Canada, ca. 1897.jpg
Curling on a lake in Dartmouth, Nova...
File:Men curling - 1909 - Ontario Canada.jpg
Men curling - 1909 - Ontario Canada.jpg
File:Curling on Lake of Menteith - geograph.org.uk - 1756810.jpg
Curling on Lake of Menteith -...
Curling at the Huntsville Curling Club...
File:12-01-20-yog-674.jpg
12-01-20-yog-674.jpg
File:Curling pictogram.svg
Curling pictogram.svg
File:curlingsheet.jpg
curlingsheet.jpg
File:CurlingHouseAndBackline.svg
CurlingHouseAndBackline.svg
File:Rock on the button..jpg
Rock on the button..jpg
File:Curling broom.png
Curling broom.png

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