2025 World Championships
- July 27 – August 3, 2025 (pool swimming)
- Singapore, Singapore
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Mixed 4×100 Freestyle Relay — Final
World Record: 3:18.83 — Australia (J. Cartwright, K. Chalmers, S. Jack, M. O’Callaghan) (2023)- World Junior Record: 3:24.29 — Australia (F. Southam, E. Sommerville, O. Wunsch, M. Jansen) (2023)
Championship Record: 3:18.83 — Australia (J. Cartwright, K. Chalmers, S. Jack, M. O’Callaghan) (2023)- 2023 World Champion: Australia (J. Cartwright, K. Chalmers, S. Jack, M. O’Callaghan) — 3:18.83
Final:
- United States (Alexy, Sammon, Douglass, Huske) — 3:18.48 *World Record*
- Neutral Athletes B (Kornev, Girev, Trofimova, Klepikova) — 3:19.68
- France (Grousset, le Goff, Wattel, Gastaldello) — 3:21.35
- Italy — 3:21.48
- Netherlands — 3:21.71
- Canada — 3:23.16
- Spain — 3:24.87
- Germany — 3:25.29
The United States swam to a new World Record as the relay of Jack Alexy, Patrick Sammon, Kate Douglass, and Torri Huske swam to a 3:18.48 in the mixed 4×100 freestyle relay. That broke the previous record of a 3:18.83 that Australia’s relay of Jack Cartwright, Kyle Chalmers, Shayna Jack, and Mollie O’Callaghan swam to win at the 2023 World Championships.
Split Comparison
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USA- 2025 Worlds
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Australia- 2023 Worlds
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| Jack Alexy | 46.91 | Jack Cartwright | 48.14 |
| Patrick Sammon | 46.7 | Kyle Chalmers | 47.25 |
| Kate Douglass | 52.43 | Shayna Jack | 51.73 |
| Torri Huske | 52.44 | Mollie O’Callaghan | 51.71 |
| 3:18.48 | 3:18.83 |
Alexy’s lead off leg was the biggest difference today as he was 1.23 seconds faster from the flat start than Cartwright was two years ago. Alexy notably led the US off two years ago in the same final as Australia but he split a 47.68 then.
Sammon also had a big split with a 46.70, a flying start swim that sits just outside of the all-time top 25 relay splits. This meet marks Sammon’s first World Championship during his career.
With his 46.91, Alexy’s lead off also marked his third sub-47 second swim in the 100 freestyle at the meet as he swam a 46.81 in semifinals of the individual event before posting a 46.92 for silver in the final. Sammon also threw down a fast split with a 46.70.
The win for the US marks its first relay gold of the meet. So far, the US women captured silver in both the 4×100 and 4×200 freestyle relays while the men won bronze in the 4×100 freestyle relay and missed the podium with a 4th place finish in the 4×200 freestyle relay.
Patrick ‘Paddy Savage’ Sammon as those in his very Inner circle know him by is Just ‘warming up’! I’m very confident we will only keep seeing n hearing great news abt his swims moving forward as he will only b getting Stronger but also faster as he matures! Patrick is far from how strong n fast he can n will be!! I wish ALL knew how smart, kind & Humble he is both inside & outside the pool! I am So glad he decided to have fun w swimming recently n the results show! Jack Alexy is super stud/former Olympic medalist and a Great teammate to have on the US team, as are All P.S. teammates-I’ve Never seen him SO… Read more »
Jack Alexy’s improvement has been something else. Goes without being said but he’s obviously the best U.S. male sprinter right now and he’s only 22
Consistent 46 from a flat start is completely unreal.
We need to celebrate Patrick Sammon’s 46.7 as well, absolutely nuts – his flat start PB is 47.4 and we’ve seen him crush a 47.0 and 46.7 for two clutch relay performances (just unfortunate his 47.0 was matched by Kai Taylor in the Men’s 4×100)
This meet was a stepping stone for US freestyle sprinters. Alexy has matured and Sammon is the true breakout. Showing his PB at Trials was no fluke, much consistency in the mid-47 range (for now) and very dependable on relays.
Shout out to Torri Huske after having 2/2 tough swims from her illness, to match an in form Douglass’ pace to anchor a world record is great!
WOW!
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