World’s Fastest 400m Individual Medley – Men’s Short Course

World Record: Daiya Seto, Japan, 3:54.81, 20 December 2019, International Swimming League
World Junior Record: Chen Juner, China, 1:49.61 – 28 October 2022, Chinese Championships
Commonwealth Record: Thomas Fraser-Holmes, Australia, 3:57.91 – 28 November 2015, Australian Championships

Top 9 All-time Performers:

  1. Daiya Seto (24.26, 28.09, 29.48, 29.57, 33.08, 33.42, 29.07, 27.84) 3:54.81
  2. Ryan Lochte (25.57, 29.05, 29.89, 29.22, 33.55, 33.86, 27.69, 26.67) 3:55.50
  3. Ilia Borodin 3:56.47
  4. Alberto Razzetti 3:57.01
  5. Laszio Cseh (24.70, 28.88, 30.01, 28.77, 34.03, 34.72, 28.88, 27.28) 3:57.27
  6. Ous Mellouli (25.56, 29.29, 30.15, 29.75, 33.63, 34.12, 28.14, 26.76) 3:57.40
  7. Carson Foster 3:57.45
  8. Tyler Clary (25.31, 29.12, 29.88, 28.68, 34.41, 34.28, 28.31, 27.57) 3:57.56
  9. Thomas Fraser-Holmes (25.21, 29.01, 30.18, 29.37, 33.57, 34.46, 28.59, 27.52) 3:57.91

The chart below compares the World’s Fastest 400m Individual Medley – Men’s Short Course swimmers. Swimmers and coaches can looks at the individual Splits, Stroke Counts and the first 50m split compared to swimmers 50m PB. All swim data has been collected from our team reviewing race footage where possible.

Men's 400m IM - Short Course
Daiya SetoRyan LochteLaszio CsehOus Mellouli Tyler ClaryThomas Fraser-Holmes
Height:5 ft 9 in 174 cm6 ft 2 in 188 cm6 ft 2 in 188cm6 ft 4 in 192cm6 ft 1 in 185cm6 ft 4 in 194cm
Weight:165 Ib 75kg195 Ib 88kg181 Ib 82kg185 Ib 84kg185 Ib 84kg187 Ib 85kg
Country:JPNUSAHUNTUNUSAAUS
DOB:1994-05-24 1984-08-03 1985-12-03 1984-02-161989-03-12 1991-10-09
Meet:ISL 2019 Season - Grand Final10th FINA World Swimming Championships (25m) 2010European Short Course Swimming Championships 200910th FINA World Swimming Championships (25m) 201010th FINA World Swimming Championships (25m) 20102015 Hancock Prospecting Australian Championships
1st 25m Strokes6566
2nd 25m Strokes:6788
50m Split Time:24.2625.5724.725.5625.3125.21
50m PB:23.5722.9422.8824.2524.8424.45
Time off 50m PB:0.692.631.821.310.470.76
Percentage of 50m PB:102.927%111.465%107.954%105.402%101.892%103.108%
3rd 25m Strokes:7888
2nd 50m Split: 28.0929.0528.8829.2929.1229.01
4th 25m Strokes7888
Split Time:52.3554.6253.5854.8554.4354.22
5th 25m Strokes:111113
3rd 50m Split29.4829.8930.0130.1529.8830.18
6th 25m Strokes:111113
Split Time:1:21.831:24.511:23.591:25.001:24.311:24.40
7th 25m Strokes:1211
4th 50m Split29.5729.2228.7729.7528.6829.37
8th 25m Strokes131214
Split Time:1:51.401:53.731:52.361:54.751:52.991.:53.77
9th 25m Strokes:7767
5th 50m Split33.0833.5534.0333.6334.4133.57
10th 25m Strokes:6678
Split Time:2:24.482:27.282:26.392:28.382:27.402:27.34
11th 25m Strokes:6778
6th 50m Split33.4233.8634.7234.1234.2834.46
12th 25m Strokes:678
Split Time:2:57.903:01.143:01.113:02.503:01.683:01.80
13th 25m Strokes:151316
7th 50m Split29.0727.6928.8828.1428.3128.59
14th 25m Strokes:14131414
Split Time:3:26.973:28.833:29.993:30.643:29.993:30.39
15th 25m Strokes:15121515
8th 50m Split27.8426.6727.2826.7627.5727.52
16th 25m Strokes17111516
Split Time:3:54.813:55.503:57.273:57.403:57.563:57.91
Total Time:3:54.813:55.503:57.273:57.403:57.563:57.91

Here is Daiya Seto 400m Individual Medley World Record swim to view.

Here is the list of the Men’s 200m IM Short Course.

Note: World’s Fastest 400m Individual Medley – Men’s Short Course Update April 2023

Additionally, here are our Top 5 Swim Calculators from our web traffic:

  1. Swim Pace Calculator – Help you determine your pace, time, and distance based on your goals and performances. Optional settings for MIN/100YDS and MIN/100M
  2. Swim Split Calculator/Goal Time Calculator – Breaks the swim down to the individual target splits for Meters racing
  3. Yards Goal Calculator – Breaks the swim down to the individual target splits for Yards racing
  4. Race Review Calculator – Allows the coach, swimmer or parent to identify the strengths and weaknesses of a race that has been swum.
  5. Medley Relay Calculator  This Calculator allows coaches to quickly compose the fastest relay team available to them. Enter up to 6 swimmers, enter their personal bests for each event and then hit calculate. The Medley Relay Calculator will then provide you with the fastest relay combination available to you.
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