Key facts for the men's 10 km event at the 17th FINA World Championships open water swimming competition.
Jordan Wilimovsky (USA) may defend his title from Kazan 2015 to become the fourth swimmer of multiple World Championships gold medals in men's 10km. The Olympic champion Dutch Ferry Weertman will be racing, also, he hopes to become the first athlete to win Olympic gold and World Championships gold in this event. There were five World Cup events since the Rio Games, Simone Ruffini won two of them. The last one’s gold medal was claimed by Kristóf Rasovszky, he is the first Hungarian to have won a medal in this event at the World Championships.
· Jordan Wilimovsky (USA) will defend his title from Kazan 2015 in an attempt to become the fourth swimmer on multiple World Championships gold medals in men's 10km.
· The three athletes who managed to do so include Thomas Lurz (GER, 3), Vladimir Dyatchin (RUS, 2) and Spyridon Gianniotis (GRE, 2). Gianniotis, who retired after the Rio 2016 Olympic Games, claimed world titles in 2011 and 2013.
· United States has won this event twice. Only Russia (5) and Germany (3) have won more times.
· At the 2015 Championships Wilimovsky finished ahead of Ferry Weertman (NED) and Gianniotis.
· Weertman won gold in this event at the Rio 2016 Olympic Games and he hopes to become the first athlete to win Olympic gold and World Championship gold in men's 10km.
· Marc-Antoine Olivier (FRA) claimed bronze in Rio in 2016 and he could now become the first French medal winner in this event at the World Championships.
· Kristóf Rasovszky (HUN) won the most recent men's 10km World Cup race in Setúbal on 24 June. He could become the first Hungarian to win a medal in this event at the World Championships.
· Simone Ruffini (ITA) won two out of five World Cup events in men's 10km since the Rio Games.
· In total, Italian swimmers have won three out of five World Cup events. The only Italian with a world title in this event is Valerio Cleri (ITA, 2010).
· Ruffini (2016) and Jack Burnell (GBR, 2015) have won the most recent World Cup men's 10km at Lake Balaton.
· Great Britain has won two silver medals in men's 10km at World Championships.
· Thomas Lurz is the only man to have won both men's 5km and 10km at a single World Championships - in 2006 and in 2009. This time the French Olivier has a chance to accomplish the same.