![Kayak Four (K4) 1000m Men qualification, Daniel Havel, Lukas Trefil, Josef Dostal, Jan Sterba (CZE), Eton, 2012 Summer Olympics, London, Britain, August 7, 2012. (CTK Photo/Radek Petrasek Stock Photo - Alamy Kayak Four (K4) 1000m Men qualification, Daniel Havel, Lukas Trefil, Josef Dostal, Jan Sterba (CZE), Eton, 2012 Summer Olympics, London, Britain, August 7, 2012. (CTK Photo/Radek Petrasek Stock Photo - Alamy](https://c8.alamy.com/comp/CMGHAK/kayak-four-k4-1000m-men-qualification-daniel-havel-lukas-trefil-josef-CMGHAK.jpg)
Kayak Four (K4) 1000m Men qualification, Daniel Havel, Lukas Trefil, Josef Dostal, Jan Sterba (CZE), Eton, 2012 Summer Olympics, London, Britain, August 7, 2012. (CTK Photo/Radek Petrasek Stock Photo - Alamy
![Great Britain's K4 canoe sprint quartet miss out on the medals as Hungary claim Olympic gold | Daily Mail Online Great Britain's K4 canoe sprint quartet miss out on the medals as Hungary claim Olympic gold | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2016/08/20/14/376C931C00000578-0-image-a-30_1471698178656.jpg)
Great Britain's K4 canoe sprint quartet miss out on the medals as Hungary claim Olympic gold | Daily Mail Online
![Amazon.com : Intex Explorer K2 Kayak, 2-Person Inflatable Kayak Set with Aluminum Oars and High Output Air Pump : Sports & Outdoors Amazon.com : Intex Explorer K2 Kayak, 2-Person Inflatable Kayak Set with Aluminum Oars and High Output Air Pump : Sports & Outdoors](https://m.media-amazon.com/images/I/71Gix6EC8hL._AC_UF1000,1000_QL80_.jpg)