USC’s Louise Hansson Breaks NCAA, U.S. Open Records in 100 Yard Fly

2019 PAC-12 WOMEN’S SWIMMING & DIVING CHAMPIONSHIPS

After breaking the Pac-12 Championship Record in prelims of the women’s 100 fly on Friday with a 49.80, USC’s Louise Hansson swam the fastest-ever time in the event on Friday evening. Her 49.34 broke the U.S. Open and NCAA Records of 49.43, set by Louisville’s Kelsi Dahlia – then Kelsi Worrell – at the 2016 NCAA Championships.

Because Hansson is Swedish, Dahlia’s time stands as the American Record.

Comparative Splits:

  • Hansson – 23.01/26.33 = (49.34)
  • Dahlia (Worrell) – 23.09/26.34 = 49.43

Hansson split the race effectively the same as Worrell did, but was just barely faster on the opening 50 to make the difference.

The 22-year old Hansson’s native country of Sweden is legendary for producing women’s sprint butterfliers. The World Records in the 50 and 100 fly in long course and 100 fly in short course meters both belong to Sweden’s Sarah Sjostrom, while the World Record in the 50 fly in short course meters belongs to another Swede: Therese Alshammar. The country has won 9 of the 11 European Championships ever awarded in the 50 fly in long course meters.

Hansson herself finished 6th at last summer’s European Championships in the 100 fly in 57.89.

Her swim is the 5th time that she’s been under 50 seconds, which matches Dahlia for the most ever. Of the 4 fastest performers in history, 3 have swum lifetime bests this season (Hansson, MacNeil, and Brown).

Top 5 Performers in History, Women’s 100 Yard Butterfly:

  1. Louise Hansson, USC, 49.34
  2. Kelsi Dahlia (Worrell), Louisville – 49.59
  3. Maggie MacNeil, Michigan – 49.59
  4. Erika Brown, Tennessee – 49.85
  5. Natalie Coughlin, Cal – 50.01

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Coach Mike 1952
3 years ago

Smokin’! And it’s not even NCAA’s yet. Tapered possibly 48.99?

Formerswimcoach
Reply to  Braden Keith
3 years ago

And she gained time between PAC-12 and NCAA in 2017. But this was an awsome race. Would be awsome if Louise could challenge Sarah in scm

Formerswimcoach
Reply to  Braden Keith
3 years ago

I think its possible. Would be great if Sarah could come over to the states for some scy race (just a dream) 😁. Also. It would be fun to see Louise race
tapered in scm. Her personal best 56.5 is slow compared to 49.3

Swimmerj
3 years ago

So deserving. Fight On!!!!!!

Tea rex
3 years ago

Unofficially, I think that is the fastest flat start 50 fly, too (though Dahlia had a 21-point relay split).

samuel huntington
3 years ago

Huske, Bray, Brown, MacNeil, Hansson – golden age of 100 fly

About Braden Keith

Braden Keith

Braden Keith is the Editor-in-Chief and a co-founder/co-owner of SwimSwam.com. He first got his feet wet by building The Swimmers' Circle beginning in January 2010, and now comes to SwimSwam to use that experience and help build a new leader in the sport of swimming. Aside from his life on the InterWet, …

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