Germany’s Paul Biedermann became the first man under 1:41 in the 200 short course meter freestyle, swimming 1:40.83 where Ian Thorpe’s world record was 1:41.10. USA’s Randall Bal became the first man under 23 seconds in the 50 backstroke, swimming 20.87 where Peter Marshall’s world record from earlier this week was 23.05. And Australia’s Marieke Guehrer became the first woman under 25 seconds in the 50 butterfly, swimming 24.99 where Therese Alshammars world record from earlier this week was 25.31.

American Peter Marshall set his 2nd world record in two days, beating Bal’s 23.07 and Hurley’s 23.36 with a time of 23.05 in the 50 meter short course backstroke, where Hurley’s world record was 23.24. And Theresa Alshammar beat the 50 meter butterfly world record with one hundredth of a second, swimming 25.31 where Galvez’s record was 25.32. Read SwimInfo here and here

South African Cameron van der Burgh swam an incredible 50 meter breaststroke, becoming the first man ever under 26 seconds, with the new world record of 25.94. And USA’s Peter Marshall clipped the 100 meter backstroke world record, with a 49.94 where Ryan Lochte’s record was 49.99. Read SwimInfo here and here.

South African Cameron van der Burgh set a new 50 meter short course breaststroke world record today, at the FINA World Cup meet in Moscow. The new world record is 26.08, where Ukranian Oleg Lisogor’s world record from 2006 was 26.17. Read SwimInfo