Michael Andrew Breaks US Open Record in 100 Breaststroke – 58.67


After swimming a new personal best of 58.82 in the 100 breaststroke during prelims to become the second-fastest American in history, Michael Andrew broke his first US Open record during finals at the Pro Swim Series in Indianapolis.

Andrew won the event with a time of 58.67 to chop just under a tenth of a second off of the US Open Record of 58.74, which was held by both Kevin Cordes and Yan Zibei. His time also came within .03 of Cordes’ American Record of 58.64, which was set at the 2017 World Championships.

Split Comparison:

Michael Andrew 2021 PSS-Indy Finals Michael Andrew 2021 PSS-Indy Prelims Yan Zibei 2019 Meet of Champions
Kevin Cordes 2017 US Nationals
First 50 27.32 27.45 27.84 27.63
Second 50 31.35 31.37 30.9 31.11
Total 58.67 58.82 58.74 58.74

Compared to his prelims swim, Andrew was out over a tenth of a second faster, which ultimately proved to be the difference as his back-half splits were almost identical. 

Andrew’s time also set a new Pro Swim Series record, taking down his mark from the prelims session. He remains the second-fastest American all-time and now moves to 4th in the world for this season.

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Bernard Is Pulling Away From Him
4 months ago

Michael Andrew SwimSwam comment section redemption arc

4 months ago

Such an exciting weekend of swimming across the board and today was just the tip of the iceberg

Caeleb’s left suit string
4 months ago

Really excited to see what he can throw down at trials,the guy’s ridiculously versatile, 1 Breast, 50 Free and 2 IM are not events that really ever have any cross-over

Reply to  Caeleb’s left suit string
4 months ago

Its pretty unbelievable. Has anyone been 21.4 and 1:56? Adding in a 58.6 he’s pretty great.

There's no doubt that he's tightening up
Reply to  dresselgoat
4 months ago

George Bovell likely the closest.

21.20 50 free and 1:58.80 200 IM (which won bronze in Athens, 0.02 behind Lochte and 0.04 in front of Cseh).

For some more context on that IM time, pre-Phelps Sievenen’s WR was 1:58.16.

I am not sure that any other swimmer not named Phelps or Sievenen swam 1:58s before Lochte, Bovell and Cseh in 2004.

EDIT: I stand corrected — Rosolino went 1:58.98 to win the 200 IM in Sydney 2000. According to the USA Swimming database, the top performers all time in the 200 IM after Athens 2004 looked like this:

  1. Michael Phelps 1:55.94
  2. Jani Sievinen 1:58.16
  3. Ryan Lochte 1:58.78
  4. George Bovell 1:58.80
  5. Lazlo Cseh 1:58.84
  6. Massimiliano Rosolino 1:58.98
Last edited 4 months ago by There's no doubt that he's tightening up
Casas 100 back gold in Tokyo
Reply to  dresselgoat
4 months ago

And a 24.3 50 back.

4 months ago

Huh. Well I for one counted him out… neat!

Zack West
4 months ago

I think this deserves a SHEESH

Reply to  Zack West
4 months ago


4 months ago

Hats off to MA. He said this season he would be training for the 200s and they got faster and now his 100 is too. Finally listened to papa Andrew about the 200 IM and now I bet he’s going to see everything else get better.

Lord farquad
4 months ago

He was tight on the turn and finish. He should drop even more at trials.

Mr Piano
4 months ago

What a swim from MA! 4th in the world

About Nicole Miller

Nicole Miller

Nicole has been with SwimSwam since April 2020, as both a reporter and social media contributor. Prior to joining the SwimSwam platform, Nicole also managed a successful Instagram platform, amassing over 20,000 followers. Currently, Nicole is pursuing her B.S. in Biomedical Engineering at Worcester Polytechnic Institute, where she is an active …

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