World's Fastest 400m Individual Medley

World’s Fastest 400m Individual Medley – Women’s Long Course

Summer McIntosh (27.82, 31.65, 34.23, 32.69, 38.74, 40.18, 30.87, 29.69) 4:25.87
Katinka Hosszu (28.33, 32.58, 34.10, 33.38, 37.23, 38.88, 31.18, 30.68) 4:26.36
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 (28.41, 32.85, 35.04, 34.38, 38.83, 38.91, 32.11, 30.70) 4:30.82
Katie Hoff (30.10, 33.59, 35.47, 34.17, 37.45, 37.87, 31.01, 31.46) 4:31.12

The chart below compares the World’s fastest 400m Individual Medley 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. Here is Summer McIntosh’s 400m Individual Medley World Record swim to view.

Here is a list of the Women’s 200IM Long Course.

Women's 400 IM - Long Course
	Summer McIntosh	Katinka Hosszu	Shiwen Ye	Stephanie Rice	Kirsty Coventry	Yui Ohashi	Katie Hoff
Height:	5 ft 8 in 173cm	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	141 Ib 64kg	148 Ib 67kg	141Ib 64kg	125 Ib 57kg	141 Ib 64kg
Country:	CAN	HUN	CHN	AUS	ZIM	JPN	USA
DOB:	2006-08-18	1989-05-03	1996-03-01	1988-06-17	1983-09-16	1995-10-18	1989-06-03
Meet:	Canadian Swimming Trials 2023	Olympic Games Rio 2016	Olympic Games London 2012	Olympic Games Beijing 2008	Olympic Games Beijing 2008	Japan Swim 2018	USA Olympic Trails 2008

1st 50m Split	27.82	28.33	28.85	28.66	29.50	28.41	30.10
Strokes	20	20	20				23
Split Time:	27.82	28.33	28.85	28.66	29.50	28.41	30.10
50m PB:	27.26	26.62	27.54	28.54	27.95	26.59	28.52
Time off 50m PB:	0.56	1.71	1.31	0.12	1.55	1.82	1.58
Percentage of 50m PB:	102.054%	106.424%	104.757%	100.420%	105.546%	106.844%	105.540%

2nd 50m Split	31.65	32.58	33.34	32.81	33.25	32.85	33.59
Strokes	24	23	23				25
Split Time:	59.47	1:00.91	1:02.19	1:01.47	1:02.75	1:00.76	1:03.69

3rd 50m Split	34.23	34.10	35.34	34.70	33.57	35.04	35.47
Strokes	37	42	41				37
Split Time:	1:33.70	1:35.01	1:37.53	1:36.17	1:36.32	1:35.80	1:39.16

4th 50m Split	32.69	33.38	34.20	33.66	33.18	34.38	34.17
Strokes	38	43	37				37
Split Time:	2:06.39	2:08.29	2:11.73	2:09.83	2:09.50	2:10.18	2:13.33

5th 50m Split	38.74	37.23	38.80	38.29	38.74	38.83	37.45
Strokes	25	23	20				26
Split Time:	2:45.13	2:45.62	2:50.53	2:48.12	2:48.24	2:49.10	2:50.78

6th 50m Split	40.18	38.88	39.22	39.13	40.22	38.91	37.87
Strokes	25	23	21				26
Split Time:	3:25.31	3:24.50	3:29.75	3:27.25	3:28.46	3:28.01	3:28.65

7th 50m Split	30.87	31.18	29.75	31.67	31.33	32.11	31.01
Strokes	41	39	42				42
Split Time:	3:56.18	3:55.68	3:59.50	3:58.92	3:59.79	4:00.12	3:59.66

8th 50m Split	29.69	30.68	28.93	30.53	30.10	30.70	31.46
Strokes	42	41	43				43

Total Time:	4:25.87	4:26.36	4:28.43	4:29.45	4:29.89	4:30.82	4:31.12

Women’s 400 IM – Long Course