Summer McIntosh Sets U.S. Open, World Junior Records with 2:05.05 in 200 Fly Win


Summer McIntosh took down four separate records — the World Junior Record, U.S. Open record, Canadian record, and meet record — during her victory in the 200 butterfly on Thursday night. 

McIntosh blazed a 2:05.05 to lower her previous-best time from last year’s World Championships, which also marked a World Junior Record and Canadian record at the time. The 16-year-old was more than half a second faster on her first 50 compared to her previous-best performance. 

Splits Comparison, McIntosh’s Best Times

2023 PSS – Ft. Lauderdale 2022 World Champs
50 Fly 27.76 28.35
100 Fly 1:00.25 (32.49) 1:00.17 (31.82)
150 Fly 1:31.94 (31.69) 1:32.62 (32.45)
200 Fly  2:05.05 (33.11) 2:05.20 (32.58)

McIntosh broke the U.S. Open record belonging to Hali Flickinger (2:05.85) from 2021. She also became the new owner of the meet record, crushing Flickinger’s previous mark of 2:06.11 from 2020. 

McIntosh is now the fastest woman in the world in this event this season, improving upon Regan Smith‘s December swim of 2:07.30. In the all-time rankings, she sits just outside the top-10 performers at No. 11. Her performance ranks No. 29 all time. 

Notably, it was her second swim of the evening after placing fifth in the 100 free with a 54.54.


  • World Record: 2:01.81, Zige Liu (2009)
  • World Junior Record: 2:05.20, Summer McIntosh (2022)
  • American Record: 2:04.14, Mary Descenza (2009)
  • U.S. Open Record: 2:05.85, Hali Flickinger (2021)
  • Pro Swim Series Record: 2:06.11, Hali Flickinger (2020)


  1. Summer McIntosh – 2:05.05
  2. Bella Sims – 2:09.89
  3. Maria Jose Mata Cocco – 2:11.00

Bella Sims dipped under 2:10 with her time of 2:09.89, which was good enough for a silver medal and a new best time. Heading into this meet Sims held a lifetime best of 2:13.91 and got down to a 2:13.06 in the prelims. Behind Sims’ 2:09.89, Mexico’s Maria Jose Mata Cocco put up a 2:11.00 for the bronze medal, while Ana Catarina Monteiro hit a 2:12.17 for 4th.

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17 days ago

Very low arm recovery

17 days ago

It was very windy at the venue tonight, wondering if that affected the splits at all. The 1st and (specifically) 3rd seem well ahead of the 2nd and 4th 50

Reply to  Coleman Hodges
17 days ago

Although looking at others splits, no one else’s seemed off. So maybe she just really punched it at the 100

17 days ago

What does this rank as for all time performances?

Reply to  Joe
17 days ago

#11 performer, #29 performance.

Reply to  Braden Keith
17 days ago

That’s actually so much worse than I expected

Reply to  Virtus
17 days ago

Honestly, same. It doesn’t feel like we see that many 2:04s, but we do.

Reply to  Virtus
17 days ago

If you ignore 2009 it’s #7 and #16

17 days ago

Such an amazing swim that it’s almost to the point of hilarity in how many records it sets:

  • World Junior Record
  • U.S. Open Record
  • Senior Canadian National Record
  • Pro Swim Series Record
  • Canadian National Age Group Record
  • Textile North American Record
  • Textile Americas Record
17 days ago

Awesome swimming. Her nationality is Canadian not USA

Emily Se-Bom Lee
Reply to  Bpark
17 days ago

the title refers to the us open record, which is the fastest time swum in an american pool by anyone in the world. the article itself never says she’s american:

McIntosh blazed a 2:05.05 to lower her previous-best time from last year’s World Championships, which also marked a World Junior Record and Canadian record at the time.

Last edited 17 days ago by Emily Se-Bom Lee
Reply to  Bpark
17 days ago

US open is like the Australian All-comers record, fastest time regardless of citizenship set in that respective country. Personally, I’d like to see more countries adopt these types of records

Reply to  John
17 days ago

Israel used to hold a list of those until they hosted SC Euros in 2015 and LC Euro Juniors in 2017 and those records lost their point

Last edited 17 days ago by Bud
Reply to  Bud
17 days ago

US Open records will get the same treatment in 2028.

Reply to  Troyy
17 days ago

The 96 records didn’t really hold that long. Most were gone by the early 2000’s

17 days ago

31.6 3rd 50 leads me to believe 2:03 could be right around the corner at Canadian Trials. Really good stuff.

17 days ago

It looks so effortless when she does it!! Beautiful stroke.

About Riley Overend

Riley is an associate editor interested in the stories taking place outside of the pool just as much as the drama between the lane lines. A 2019 graduate of Boston College, he arrived at SwimSwam in April of 2022 after three years as a sports reporter and sports editor at newspapers …

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