Canada at the Summer Olympics became the first Canadian Summer Olympian to win a medal in four straight Olympics. After George Hodgson won two gold medals in the 1912 Stockholm games, it would be 72 years before Alex Baumann became the second Canadian swimmer to win Olympic gold, when he won both individual medley events in world record time in the 1984 Los Angeles games. Victor Davis (1984), Anne Ottenbrite (1984), Mark Tewksbury (1992) and Penny Oleksiak (2016) are the only other Canadian swimmers to win gold medals. In 2004, Canada failed to win a medal of any colour in swimming for the first time
Great Britain at the 2012 Summer Olympics (two golds and one silver) in total, Victoria Pendleton became Great Britain's most successful female Olympic athlete, surpassing the record of two golds and one bronze medal, previously held by Kelly Holmes, and briefly shared with Rebecca Adlington. For the first time in Olympic history, Great Britain had won a women's rowing gold; in the event, Great Britain secured three of the six gold medals in women's rowing. Heather Stanning and Helen Glover took the first Great Britain gold of the games in the women's pair, and the nation's first ever in women's rowing. Katherine Grainger, winning her first gold