Women’s 400m Individual Medley – Long Course World Record & Splits
Current Record:
World Record: Summer McIntosh 4:23.65
Olympic Record: Katinka Hosszu 4:26.36
World Junior Record: Summer McIntosh 4:25.87
Commonwealth Record: Summer McIntosh 4:23.65
Top 10 All-time Performers:
- Summer McIntosh (27.75, 31.43, 33.18, 32.95, 38.36, 39.66, 30.95, 29.37) 4:23.65
- Katinka Hosszu (28.33, 32.58, 34.10, 33.38, 37.23, 38.88, 31.18, 30.68) 4:26.36
- Kaylee McKeown (28.57, 33.11, 35.13, 33.18, 39.10, 37.07, 21.89, 30.17) 4:28.22
- Shiwen Ye (28.85, 33.34, 35.34, 34.20, 38.80, 39.22, 29.75, 28.93) 4:28.43
- Stephanie Rice (28.66, 32.81, 34.70, 33.66, 38.29, 39.13, 31.67, 30.53) 4:29.45
- Kristy Coventry (29.50, 33.25, 33.57, 33.18, 38.74, 40.22, 31.33, 30.10) 4:29.89
- Yui Ohashi 4:30.82
- Yui Ohashi (28.41, 32.85, 35.04, 34.38, 38.83, 38.91, 32.11, 30.70) 4:30.82
- Hui Qi 4:30.85
- Katie Hoff (30.10, 33.59, 35.47, 34.17, 37.45, 37.87, 31.01, 31.46) 4:31.12
Data Analysis and Comparison:
The chart below compares the World’s Fastest 400m Individual Medley – Women’s Long 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.
| Women's 400 IM - Long Course | ||||||||
|---|---|---|---|---|---|---|---|---|
| Summer McIntosh | Katinka Hosszu | Kaylee McKeown | Shiwen Ye | Stephanie Rice | Kirsty Coventry | Yui Ohashi | Katie Hoff | |
| Height: | 5 ft 8 in 173cm | 5 ft 9 in 175cm | 5 ft 9 in 175cm | 5 ft 8 in 172cm | 5 ft 9 in 176cm | 5 ft 9 in 176cm | 5 ft 8 in 173cm | 5 ft 9 in 175cm |
| Weight: | 150 Ib 68kg | 132 Ib 60kg | 141 Ib 64kg | 148 Ib 67kg | 141Ib 64kg | 125 Ib 57kg | 141 Ib 64kg | |
| Country: | CAN | HUN | AUS | CHN | AUS | ZIM | JPN | USA |
| DOB: | 2006-08-18 | 1989-05-03 | 2001-07-11 | 1996-03-01 | 1988-06-17 | 1983-09-16 | 1995-10-18 | 1989-06-03 |
| Meet: | 2025 Bell Canadian Swimming Trials | Olympic Games Rio 2016 | 2024 Australian Open Championships | Olympic Games London 2012 | Olympic Games Beijing 2008 | Olympic Games Beijing 2008 | Japan Swim 2018 | USA Olympic Trails 2008 |
| 1st 50m Split | 27.75 | 28.33 | 28.57 | 28.85 | 28.66 | 29.50 | 28.41 | 30.10 |
| Strokes | 20 | 20 | 20 | 23 | ||||
| Split Time: | 27.55 | 28.33 | 28.57 | 28.85 | 28.66 | 29.50 | 28.41 | 30.10 |
| 50m PB: | 26.74 | 26.62 | 27.84 | 27.54 | 28.54 | 27.95 | 26.59 | 28.52 |
| Time off 50m PB: | 0.31 | 1.71 | 0.73 | 1.31 | 0.12 | 1.55 | 1.82 | 1.58 |
| Percentage of 50m PB: | 101.064% | 106.424% | 102.622% | 104.757% | 100.420% | 105.546% | 106.844% | 105.540% |
| 2nd 50m Split | 31.43 | 32.58 | 33.11 | 33.34 | 32.81 | 33.25 | 32.85 | 33.59 |
| Strokes | 24 | 23 | 23 | 25 | ||||
| Split Time: | 59.18 | 1:00.91 | 1:01.68 | 1:02.19 | 1:01.47 | 1:02.75 | 1:00.76 | 1:03.69 |
| 3rd 50m Split | 33.18 | 34.10 | 35.13 | 35.34 | 34.70 | 33.57 | 35.04 | 35.47 |
| Strokes | 39 | 42 | 41 | 37 | ||||
| Split Time: | 1:32.36 | 1:35.01 | 1:36.81 | 1:37.53 | 1:36.17 | 1:36.32 | 1:35.80 | 1:39.16 |
| 4th 50m Split | 32.95 | 33.38 | 33.18 | 34.20 | 33.66 | 33.18 | 34.38 | 34.17 |
| Strokes | 38 | 43 | 37 | 37 | ||||
| Split Time: | 2:05.31 | 2:08.29 | 2:09.99 | 2:11.73 | 2:09.83 | 2:09.50 | 2:10.18 | 2:13.33 |
| 5th 50m Split | 38.36 | 37.23 | 39.10 | 38.80 | 38.29 | 38.74 | 38.83 | 37.45 |
| Strokes | 22 | 23 | 20 | 26 | ||||
| Split Time: | 2:43.67 | 2:45.62 | 2:49.09 | 2:50.53 | 2:48.12 | 2:48.24 | 2:49.10 | 2:50.78 |
| 6th 50m Split | 39.66 | 38.88 | 39.10 | 39.22 | 39.13 | 40.22 | 38.91 | 37.87 |
| Strokes | 23 | 23 | 21 | 26 | ||||
| Split Time: | 3:23.33 | 3:24.50 | 3:26.16 | 3:29.75 | 3:27.25 | 3:28.46 | 3:28.01 | 3:28.65 |
| 7th 50m Split | 30.95 | 31.18 | 31.89 | 29.75 | 31.67 | 31.33 | 32.11 | 31.01 |
| Strokes | 40 | 39 | 42 | 42 | ||||
| Split Time: | 3:54.28 | 3:55.68 | 3:58.05 | 3:59.50 | 3:58.92 | 3:59.79 | 4:00.12 | 3:59.66 |
| 8th 50m Split | 29.37 | 30.68 | 30.17 | 28.93 | 30.53 | 30.10 | 30.70 | 31.46 |
| Strokes | 42 | 41 | 43 | 43 | ||||
| Total Time: | 4:23.65 | 4:26.36 | 4:28.22 | 4:28.43 | 4:29.45 | 4:29.89 | 4:30.82 | 4:31.12 |
Watch Summer McIntosh’s 400m Individual Medley World Record
Here is a list of the Women’s 200IM Long Course.
Note: Women’s 400m Individual Medley – Long Course World Record & Splits Update June 2025
Top 5 Swim Calculators:
- 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
- Swim Split Calculator/Goal Time Calculator – Breaks the swim down to the individual target splits for Meters racing
- Yards Goal Calculator – Breaks the swim down to the individual target splits for Yards racing
- Race Review Calculator – Allows the coach, swimmer or parent to identify the strengths and weaknesses of a race that has been swum.
- 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.
