2025 World Championships: Day 7 Prelims – Relay Lineups (Mixed 4×100 Free)

by Mark Wild 26

August 01st, 2025 International, News

2025 World Championships

The only event on the World Championship schedule that is not currently scheduled to be contested at the Olympics is the Mixed 4×100 Free Relay. The relay has often been disregarded by some nations, and by others, as an opportunity to rest some of their stars and give others on the team a chance to shine. For instance, in 2023, China Pan Zhanle did not have this event included in his meet schedule, which was published before the start of the meet, yet he did make an appearance in 2024, with the Chinese taking the gold, in part due to his lead-off split.

As it is not an Olympic event, few nations have seed times, and in fact, 17 of the 36 do not, leading to some very interesting early heat swims. The Neutral Athlete B team were in an outside lane of a non-circled seeded prelim heat and went on to win the event, and that situation could very likely happen again.

The first heat features 2023 7th place finishers Japan, who take to the water in lane 6, with a team comprised of Tatsuya Murasa, Taikan Tanaka, Nagisa Ikemoto, Mizuki Hirai. Greece, likely their biggest competition, is seeded to swim in lane 2.

The second (and still unseeded heat) sees the Netherlands, Australia, and the USA in lanes 2,3,4, and Canada, China, and the Neutral Athlete B Team in lanes 6,7,8. Sandwiched between the two groups of medal contenders are the team from the Faroe Islands. The Faroe Islands are a self-governing part of Denmark located in the North Sea between Iceland and Scotland, and have a population of around 55,000.

The USA have opted for a prelim team of Chris Guiliano, Jonny Kulow, Simone Manuel, Kate Douglass all of whom seem to have avoided the more severe illness issues. This likely leaves Jack Alexy, Partrick Sammon and perhaps Gretchen Walsh and Torri Huske to make a full swap.

In Fukuoka, the Australians set a world record, recording a new mark of 3:18.83 in the final, with the team of Jack Cartwright, Kyle Chalmers, Shayna Jack and Mollie O’Callaghan This morning the Aussie have opted to kick off their WR defense with the squad of Kai Taylor, Maximillian Giuliani, Hannah Casey, Milla Jansen.

Countering them are the 2024 World Champions, the Chinese, who have selected Chen Juner, Wang Haoyu, Yu Yiting, Yang Wenwen.

Hungary and Poland lead the circle seeded heats, as each of these nations recorded times at the 2024 European Championships which fell within the qualifying period for this meet.

Heat 1


Heat 2


Heat 3


Heat 4

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Swimz
10 months ago

Will they go with right 4 with wrong order..

Hah hah.. I love these kind of predictions ..

Huske , sammon, Douglass and Alexy..

BOBFROMTHEISLAND
10 months ago

Nice.

Last edited 10 months ago by BOBFROMTHEISLAND
Freddie
10 months ago

Kate D one of just 2 US athletes who did not have any illness to deal with. Put her in a bubble for 36 hrs

Bevo’s Horns
Reply to  Freddie
10 months ago

The other Ledecky? I guess we’re lucky our two biggest stars stayed above the fray

Cassandra
Reply to  Freddie
10 months ago

where did you get that from? if thats true basically half the team got sick in thailand and the rest got sick in singapore.

im assuming the first group are the ppl performing better

M C
Reply to  Freddie
10 months ago

Yes, Kate Douglass and Shane Casas.

Swimfan27
10 months ago

Douglass better be in the final for this

OldCoach
10 months ago

Finally got it right

WillisAlexander
10 months ago

Kate is such a versatile swimmer is acutally insane how impressive her range is. Winning the 200 breast last night in 2nd fastest time ever, then earlier in the meet a 51 split in the 4×100 free, and just missing out a place in tmrw nights 50 fly finals, with only 10 mins rest before the semi tonight. She is a marvel.

When shes so good in all the strokes, it makes me wonder how fast she can go in the 200im and 400ims.

NSSO
Reply to  WillisAlexander
10 months ago

She is a 2x 200 IM Olympic medalist…

WillisAlexander
Reply to  NSSO
10 months ago

I know that, but i feel like she can go even faster! Hows her 400 im?

Tencor
10 months ago

Doesn’t seem like many countries are taking this race too seriously. Last remaining non-Olympic event on the schedule.

thezwimmer
Reply to  Tencor
10 months ago

Well there is literally no strategy to be had in this race. Just 2 men, 2 women, in that order. At least with the medley you’re weighing differences between men and women in strokes.

Swimz
Reply to  thezwimmer
10 months ago

It can be any order..

Bevo’s Horns
10 months ago

Kate’s a real team player being (one of) the US’s biggest stars and still swimming two prelims relays

Cassandra
Reply to  Bevo’s Horns
10 months ago

pretty interesting, i feel like they have enough firepower to rest kate for finals. i guess bc her races are over it should be fine?

Bevo’s Horns
Reply to  Cassandra
10 months ago

Maybe she’s the answer to the women’s medley morning fly leg with Manuel on free. Kidding (kind of)

Matt
Reply to  Bevo’s Horns
10 months ago

Curzan can swim fly

NJ Cav
Reply to  Bevo’s Horns
10 months ago

Maybe have Douglass and Smith go morning and night but on different strokes. Let Smith swim fly then back and Douglass swim free then breast. I wonder if any medley relay medalists have ever won swimming different strokes in heats and finals. The American women could perform well with two members switching strokes.

Thomas The Tank Engine
Reply to  Cassandra
10 months ago

Huske and Walsh in the final