Campbell Walsh is a Scottish slalom canoeist who competed at the international level from 1995 to 2012. Competing in two Summer Olympics, he won a silver medal in the K1 event in Athens in 2004.
Elena Kaliská is a retired Slovak slalom canoeist who competed at the international level from 1988 to 2019. She specialized in the K1 event, which was the only discipline available for women during the vast majority of her career.
Vavřinec Hradilek is a Czech slalom canoeist who has competed at the international level since 2003.
Peter Kauzer is a Slovenian slalom canoeist who has competed at the international level since 1999.
Alexander Grimm is a German slalom canoeist who has competed at the international level since 2002.
Fabien Lefèvre is a French slalom canoeist who has competed at the international level since 1998. As a permanent resident of the United States, he has competed for his country of residence since 2013. He represented France until 2011. He won two medals at the Summer Olympics in the K1 event with a silver in 2008 and a bronze in 2004. He has a son called Noe Lefèvre.
Ivan Pišvejc is a Czech slalom canoeist who competed at the international level from 1994 to 2010.
Stefano Cipressi is an Italian slalom canoeist who has competed at the international level since 2000.
Boris Neveu is a French slalom canoeist who has competed at the international level since 2004.
Laura Kate Blakeman is a British slalom canoeist who competed at the international level from 1995 to 2011.
Jasmin Schornberg is a German slalom canoeist who has competed at the international level since 2001.
Elizabeth Rachael "Lizzie" Neave is a British slalom canoeist in women's kayak (K1W). She started competing in 1996 and first gained selection to represent Great Britain at junior level in 2002.
Richard John Hounslow is a British slalom canoeist who competed at the international level from 1999 until his retirement in 2016. He started out as a specialist in the kayak (K1) category, but in 2009 he also started competing in canoe doubles (C2) alongside David Florence. In his last season (2016) he concentrated on the C2 class exclusively.
Maialen Chourraut Yurramendi is a Basque slalom canoeist who has competed at the international level representing Spain since 2000.
Hannes Aigner is a German slalom canoeist who has competed at the international level since 2006. He is a two-time Olympic bronze medalist.
Samuel Hernanz Obrador is a French-born Spanish slalom canoeist who has competed at the international level since 2004 He represented France in his first international season.
Vít Přindiš is a Czech slalom canoeist who has competed at the international level since 2005.
Joseph Clarke, is a British slalom canoeist who has competed at the international level since 2009, specializing in the K1 (kayak) and KX1 events. He is the 2016 Olympic champion in the K1 event, the 2023 World champion in the same event, and a triple World champion in the kayak cross discipline, and has won multiple medals at World and European Championships. He is the most successful kayak cross competitor at global level in the history of the event.
David Llorente is a Spanish slalom canoeist who has competed at the international level since 2014.
The Men's K1 at the 2021 ICF Canoe Slalom World Championships took place on 23 and 25 September 2021 at the Čunovo Water Sports Centre in Bratislava. It was the 41st edition of the event, and 80 athletes from 36 nations competed.
