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Added on the 11/07/2016 15:01:25 - Copyright : Reuters - Next Media
Keirin is a track cycling event where starting positions are determined after the riders draw lots. They begin when a pacer, or derny bike, approaches. The derny bike begins at a deliberately slow speed of about 25 kilometers per hour. Keirin races are 2 kilometers in length or eight laps on a 250-meter track. Riders gradually increase their speeds throughout the race. They battle for first after the derny bike leaves the track, about 600 to 700 meters before the finish line.
In Olympics cycling, the men’s sprint event is a race between two riders over three laps of a 1,000-meter track. The rider who comes in first for two of the three laps wins.
The Olympic Wrestling competition consists of two disciplines: Greco-Roman, in which athletes use their upper bodies and arms only; and free style, in which athletes can use any part of their body. Wrestling bouts take place on a 12 meter square mat and can last for a maximum of three periods of two minutes each. The aim is to pin the opponent’s shoulder on the ground. A period is won by technical superiority, scoring two holds worth three points, or gaining a six-point lead.
This animation explains one of the events - Windsurfing - an open-water race where windsurfers complete a designated course around floating markers against each other. There are no individual lanes. This animation explains how sail works and the right-of-way rules when two boats approach one another.
In water polo event, teams consist of 13 players, but only 7 are allowed in the water at one time. Matches are divided into four periods of 8 minutes. Each team has just 30 seconds to attempt to score. The pool measures 20 meters wide, 25-30 meters long and 2 meters deep. Player are not allowed to touch the bottom or sides of the pool.
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