Needless to say, she has also qualified for the semi-finals.
She finished her race in 1:04.82, beating the previous record held by American swimmer Lilly King.
She is the most successful South African athlete at the games this year.
Tatjana Schoenmaker has made history after setting a new Olympic record in Tokyo. Photo credit: @ZwemZa, @TRSchoenmakerSource: Twitter
The 100m women’s breaststroke is scheduled to take place on Monday, 26 July.
The team even had masks that matched their outfits to complete the look.
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