2025 WORLD AQUATICS SWIMMING WORLD CUP – Westmont
- October 17-19, 2025
- Westmont, Illinois
- SCM (25 meters)
- Meet Central
- Psych Sheets
- Live Results
- Live Recaps:
Mollie O’Callaghan swam a second faster than she did last weekend in Carmel to set a new World Record in the women’s 200 freestyle at 1:49.77, becoming the first woman in history sub-1:50 in the event.
Women’s 200m Freestyle — Finals
World Record: 1:50.31 — Siobhan Haughey, Hong Kong (2021)- World Junior Record: 1:51.62 — Claire Weinstein, United States (2024)
World Cup Record: 1:50.43 — Sarah Sjostrom, Sweden (2017)U.S. Open Record: 1:50.77 — Mollie O’Callaghan, Australia (2025)
Top 8 Finishers:
- Mollie O’Callaghan (AUS) – 1:49.77 *World Record, World Cup Record, U.S. Open Record*
- Lani Pallister (AUS) – 1:52.06
- Anna Peplowski (CLB) – 1:52.54
- Erika Fairweather (NZL) – 1:52.66
- Marrit Steenbergen (NED) – 1:53.07
- Lilla Minna Abraham (HUN) – 1:53.15
- Freya Colbert (GBR) – 1:53.51
- Ella Jansen (CLB) – 1:55.02
Mollie O’Callaghan was out in first in tonight’s 200 freestyle final, turning in 25.70 at the 50 mark, half-a-second under the World Record pace.
She continued to build her lead over the field, and maintained her lead on the World Record, turning in 53.39 at the 100 mark. and 1:21.89 at the 150.
She ended up splitting 27.88 on her final 50 to break Siobhan Haughey‘s 2021 World Record by nearly half-a-second and become the first women in history to break 1:50 in the event. Her first 50 and last 50 were the only ones that were faster than Haughey’s previous World Record swim.
Her swim tonight was a whole second faster than the 1:50.77 she swam to win the event last weekend in Carmel which was also her former best time. Most of the difference came from the beginning of the race, but she was faster on all four 50 splits than she was last weekend.
World Record Split Comparison
| Old World Record- Siobhan Haughey | New World Record- Mollie O’Callaghan 1:49.77 |
Mollie O’Callaghan 1:50.77 (Carmel World Cup)
|
|
| 50 | 26.20 | 25.70 | 26.05 |
| 100 | 53.81 (27.61) | 53.59 (27.89) | 54.19 (28.14) |
| 150 | 1:22.03 (28.22) | 1:21.89 (28.30) | 1:22.76 (28.57) |
| 200 | 1:50.31 (28.28) | 1:49.77 (27.88) | 1:50.77 (28.01) |

27.88 for the last 50 is amazing
Closed in 27.9 in long course in Paris.
🤯
And I thought her 28.11 in 2023 Fukuoka was FAST
I love her strategy.
Go out faster and finish faster.
Classic Mollie
Shoutout DJ
Wasn’t expecting this. Go MO!!!
I was expecting it in Toronto but she got it early. Wonder if she can push it further
How will they make this into alt right AI slop now 🤔
Do I even want to know?
(No)
There’s a Facebook page making AI slop mainly of MOC but also occasionally about McKeown and Chalmers basically trashing Lia Thomas and saying they will withdraw from the Olympics if Lia isn’t banned (despite the fact that Lia hasn’t swum in ages)
In NBC sports YouTube video on MOC WR swim posted in the other Swimswam article, someone made a comment:
“Finally a real woman broke a woman’s record”
It’s staggering how fake news are accepted as a reality by Americans, and slowly but surely by the rest of the World
Even AI is churning out fake news because they regurgitates what’s on internet.
The world has gone mad.
I doubt that has anything to do with the recent AI slop targeting Mollie. There are often comments like that under posts about women’s sports including videos on NBC’s YouTube channel.
Haughey so quickly removed “World record holder” from her instagram profile desc.
Bless her. I’m sure she will have congratulated Mollie. Siobhan is one of my favourite swimmers.
She has one of the best personality among elite swimmers.
She’s unlucky that her peak coincided with peak McKeon and Titmus (2021Tokyo), peak MOC (2023 Fukuoka), and peak Sjostrom and MOC+Titmus (2024 Paris)
The second sentence is so unnecessary to say
Really hope this translates to a 1.51 or even 1.50 long course time .. in time for LA28 .. we need all the firepower we can get for that 4×200 now that Titmus is gone
A 1:50 point would be the best world record on the books by a long shot and is probably not happening for decades. 1:51 could happen, and would be insane.
I think if swimming is to continue being exciting sport we need to start thinking of what seems impossible to witness …
Her long course PB is still the better performance.
I’m just thinking ahead who else do we have in the pipeline for that 4×200 relay for LA28 .. we can’t just rely on Mollie to win it for us 🙂
Casey just improved her PB by almost 2.5 seconds this year. She might be our next sub 1:55. Perkins could get there too and there’s also Lani. While Arnie’s retirement makes the task of retaining the 4×2 title in LA a lot harder we’ve still got a good chance.
Our team needs to be “solid” against the patriotic USA crowd I’d imagine haha
She did improve her PB to 156.09 at trials, but then split, 157.6 in the prelims relay. Wunch also went a little slower at worlds than at trials. Hopefully, they can maintain their form from trials to the big meet moving forward. Particularly, Wunch. She is crucial to the future success of the 4×100.
A regression like that isn’t uncommon after a big breakthrough.
Jamie Perkins is looking pretty good (1:55.1 split). I’m sure she can get faster over the next 3 years. MOC and Lani are locks.
Whichever one of the youngsters pops over the next 3 years should end up filling the other spot – Casey, Jansen, Wunsch, Inez Miller or even possibly Amelia Weber.
Yep there are plenty of possibilities and enough time for them to develop in time for LA.
Shayna Jack may also wish to join the discussion as well for that 4×200 relay
I have a feeling Shayna might be retired from the 200.
De Lutiis should also be added to that list. Dropped her PB from 1:59.5 to 1:57.2 this year. She’s just moved to train with Wunsch at Carlile.
That’s great that Wunsch and De Lutiis can train together. That sort of thing looks to be working at Bond with Casey and Jansen pushing each other forward.
Don’t forget Casteluzzo!
USA or China will win this relay in LA.
Don’t underestimate how good 1.52.4 is. No one still swimming is even close to breaking 1.53 – Summer might if she focused on it but it’s probably her 6th best event so she never will just focus on it. And with Lani swimming 1.54.7 and likely to go lower and Brittany C coming through, I think the 4×2 is in safe hands.
Yanks have excellent prospect tho!
This won’t translate to anything. If anything her LCM PB should translate to a 1:47 SCM
Titmus is gone?
You haven’t been following the news?
https://swimswam.com/world-record-holder-ariarne-titmus-retires-from-competitive-swimming/
Thanks. I’ve been very busy. My daughter had premature twins a few weeks ago. I’m behind with all sorts of things.
Congratulations!
Thank you. Beautiful identical boys. Doing well.
She definitely has more room to improve too. I’ve noticed that she tends to breath into the walls a lot — seems like an easy fix?
i noticed that. maybe it helps with her underwaters, getting the extra air? but either way shes def not in peak form rn