Relays Over The Last 10 Years: Women’s 4×200 Free ...Middle East

By Sam Blacker on SwimSwam

2025 World Championships

With the Singapore World Championships fast approaching and speculation over relays building, what have the finals for each relay looked like over the last decade?

That takes into account eight world-level international summer meets, and we’ll take a look at the men’s 4×100 free here.

As a preview of what is included here, we’ll go through:

We’ll also take a look at the continuity of each final – for a recap of how we calculate this take a look at the methodology explained in this previous article.

The Data

The cumulative times are taken from the calendar year best heading into the World Championships or Olympics of the top four individuals for each nation.

The calendar year best here is used for convenience. Far more of the data processing required here was manual than in an ideal situation, and finding season bests would slightly more than double that. 

Additionally, there would come the decision on how to define when the season ends. For Asian nations this is often into the early-to-mid autumn, especially in an Asian Games year, compared to pretty much immediately after the summer meet for European and American swimmers. Using the calendar year best is a cleaner delineation, and the times should be more pertinent to the summer relays as well than those at the start of the season.

These may not necessarily be the swimmers that swim in the relay, and the drops may be due not only to internal improvement but a new swimmer or two.

Additionally, the data here is not 100% complete. The World Aquatics results database used is probably the best for blanket global coverage to the depth required each year, but there are gaps. Most major and national meets are captured, but results from medium to small meets are generally not.

For example, Carson Foster’s 4:08.46 400 IM that he swam at the 2021 Southern Sectionals is not in the database, despite it being the fastest 400 IM time in the world that year.

The result of this is that the cumulative data here is not quite perfect – there are likely a few of the cumulative times that would be slightly faster due to a swim that we’ve not managed to find.

However, with the volume of data and the fact that we’re looking to make general rather than specific conclusions, this should not have a material effect on what we see.

The Finalists

It is actually the U.S. who have shown most consistency over the last decade in this relay, finishing no lower than second with four golds and four silvers. Australia have come into the championship with the fastest season add-up, but only converted that into three wins.

Hungary are on a streak of seven finals, and with European U23 co-champions Nikolett Padar and Lilla Abraham should make that eight this year.

Similarly to the 4×100, there are several teams who have made all or nearly all the finals in this period. New Zealand are the latest nation to try to break in, driven by 2024 400 free World Champion Erika Fairweather.

The Netherlands have only made two finals despite having had swimmers like Femke Heemskerk and Marrit Steenbergen in recent years. They are not entered in the event this year, so will not reprise their final role from the last world championships this time around.

How Have The Finals Times Changed

The times for the top four have been trending down, while the bottom four have been staying relatively steady barring a big spike in 2022. That year saw a split battle, as the U.S, Australia, China and Great Britain were separated from the race behind them by more than 10 seconds.

The time each relay team drops in the final compared to their pre-meet add-up can be seen below.

This seems to be the relay that can be the most variable. A fair proportion of teams add time, and while the trend in the 4×100 was flat this one is shifted down much closer to zero. A 200 free is a different beast to a 100, and overswimming your leg can have a much greater effect.

A victim of this seems to be Japan, who added more than five seconds in both 2019 and 2022, although that could be the result of lineup choices.

What might 2025 Look Like?

For 2025, the add-ups for some of the countries aiming to be in the final this year are as follows. It took a time of 7:54.37 to make the final in Paris – there are seven teams with an add-up faster than that this year.

Continuity and SwimSwam’s Predictions

The continuity has been around 0.9 in the most recent editions with the exception, like many of these relays, of 2022. We still saw five finalists return that year, with one of the three missing out, Russia, doing so for non-swimming-related reasons.

Finally, here’s how our predictions have fared. Blue marks the countries where we were within a single position in our predictions, with red denoting those that made the final but where our predictions were slightly further away.

We did not have a full set of relay predictions in 2015, so this year has been omitted

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