Men's 100m Breaststroke
· Adam Peaty (GBR) became the third multi-gold medallist in this event after Brendan Hansen (USA 2005-2007) and Norbert Rózsa (HUN 1991-1994).
· Peaty won his fourth world title in total and surpasses Thomas Daley (GBR, diving, 3 gold) and David Wilkie (GBR, swimming, 3 gold) to become the most successful person in Great Britain at the 17th FINA World Championships.
· Silver medallist Kevin Cordes (USA) won his first medal at the world championships in this event. He already claimed silver (200m) and bronze (50m) in the breaststroke (both in 2015).
· Cordes became the fourth man to win a medal in the 50m, 100m and 200m breaststroke at the world championships, after Brendan Hansen (USA), Kosuke Kitajima (JPN) and Christian Sprenger (AUS).
· Kirill Prigoda (RUS) claimed bronze, his first medal at the world championships. It is the first medal for a Russian man at the world championships since 2015 and the first in any breaststroke event since 2001, when Roman Sludnov won gold in the 100m and silver in the 50m.
Women's 100m Butterfly
· Sarah Sjöström (SWE) won her fifth world title and her ninth medal in total at the 17th FINA World Championships, surpassing Therese Alshammar (SWE) for most medals among Swedes.
· Sjöström became the first ever woman to win the same event four times at the world championships. Five men have achieved this feat.
· Sjöström became the first reigning Olympic champion in this event to win the world title.
· Emma McKeon (AUS) claimed silver, her first individual medal at the world championships in any event. Two years ago, she finished fourth in this event.
· Kelsi Worrell (USA) took bronze, her second medal as she won gold in the 4x100m freestyle relay on Sunday.
Men's 50m Butterfly
· Benjamin Proud (GBR) won his first medal at the world championships. It was the first ever world title for Great Britain in any butterfly event, men's or women's.
· Silver medallist Nicholas Santos (BRA) won his second medal at the world championships, after his second place two years ago.
· He became the third man to claim back-to-back silver medals in this event at the world championships after Ian Crocker (USA, 2003-2005-2007) and Matthew Target (AUS, 2009-2011).
· Bronze medallist Andrii Govorov (UKR) won Ukraine's first medal at the world championships in 10 years when Oleg Lisogor (UKR) won the men's 50m breaststroke in 2007.
Women's 200m Individual Medley
· Katinka Hosszú (HUN) won this event for a record third time as she surpassed Katie Hoff (USA, 2005-2007).
· Hosszú became the second woman to win the women's 200m individual medley world title in front of a home crowd after Ye Shiwen (CHN) won in Shanghai in 2011.
· Hosszú (HUN) surpassed Michael Phelps (USA, 5) and equalled Ryan Lochte (USA, 6) for most world titles in 200m and 400m individual medley combined.
· Including short course Hosszú has now won 32 medals at world championships, equalling Jenny Thompson for a record most among women.
· Hosszú has now won 10 medals at the FINA World Championships (G6-S0-B4), two shies of the Hungarian record set by László Cseh (HUN, G2-S5-B5).
· Silver medallist Yui Ohashi (JPN) became the third Japanese woman to claim a medal in an individual medley event after Yasuko Tajima (JPN) took bronze in the 400m in 1998 and Kanako Watanabe (JPN) grabbed silver in the 200m two years ago
· Bronze medallist Madisyn Cox (USA) won her first medal at the world championships. She is the first US woman to win a medal in this event since 2011 when Ariana Kukors claimed bronze.