Aim of the game
Athletes in kayaks must complete a straight 200m course across calm waters in the fastest possible time
Why should you watch this?
This is a chance to witness history being made as paracanoe makes its debut in the Paralympic Games and dramatic races unfold amid the idyllic scenery of Lagoa Rodrigo de Freitas
Referees in motorised boats, positioned before the start line and after the finish line, inform the other officials in case of an irregularity
End of the paddle which is inserted into the water to propel the boat
Short for "personal flotation device" – the life jackets worn by canoeists
Impress your friends
Originated in Greenland, kayaks were used by the Eskimos as a means of transport and support for fishing – they are believed to be at least 4,000 years old
Paracanoe emerged in 2009 through an initiative by the International Canoe Federation (ICF) to allow people with an impairment to participate in the sport
Events for athletes with an impairment were included in the canoe sprint world championships for the first time in 2009 in Halifax, Canada
Great Britain, home of seven-time world champion Jeannette Chippington, is the most successful country in world championships
Brazil's Fernando Fernandes has won four world titles
The kayaks are adapted according to the functional abilities of each athlete
Before a car accident left him paraplegic, Brazil's four-time world champion Fernando Fernandes was a model who participated on reality TV show Big Brother
The competition is always held in calm waters and the race distance is always 200m.
The starting positions are determined by electronic sensors.
The kayaks are up to 5.2m long, with a minimum width of 50cm, weigh at least 12kg and have space for one athlete, who sits inside the boat and paddles with one oar that has blades on each end.