Swimming at the 2019 World Aquatics Championships – Women's 400 metre freestyle explained

Event:	Women's 400-metre freestyle
Championship:	2019 World Aquatics Championships
Dates:	21 July (heats and final)
Venue:	Nambu University Municipal Aquatics Center
Location:	Gwangju, South Korea
Competitors:	43
Nations:	37
Win Value:	3:58.76
Gold:	Ariarne Titmus
Gold Nation:	AUS
Silver Nation:	USA
Bronze:	Leah Smith
Bronze Nation:	USA
Prev:	2017
Next:	2022

The women's 400-metre freestyle competition at the 2019 World Championships was held on 21 July 2019.^{[1] [2]} Ariarne Titmus overcame a .62-second deficit in the last 50 metres to defeat defending champion Katie Ledecky. This was Ledecky's first loss in a major international 400 metre freestyle competition.^[3]

Records

Prior to the competition, the existing world and championship records were as follows.

Results

Heats

The heats were held at 11:22.^[4]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	5	4			4:01.84	Q
2	4	4			4:02.42	Q
3	4	3			4:03.51	Q
4	4	5			4:03.97	Q
5	5	5			4:04.53	Q
6	4	2			4:06.28	Q
7	5	2			4:07.05	Q
8	5	7			4:07.10	Q
9	5	3			4:07.88
10	5	6			4:07.92
11	4	6			4:09.56
12	4	8			4:09.68
13	3	4			4:09.73	NR
14	3	3			4:10.49
15	4	7			4:10.82
16	5	8			4:11.06
17	5	0			4:12.30
18	5	9			4:12.92
19	3	6			4:13.35
20	5	1			4:13.81
21	4	0			4:13.91
22	2	4			4:14.29	NR
23	3	7			4:14.39
24	4	1			4:16.06
25	2	6			4:16.43	NR
26	3	5			4:17.57
27	4	9			4:17.87
28	3	0			4:17.89
29	3	1			4:18.19
30	2	5			4:19.00
31	3	8			4:20.03
32	3	2			4:21.70
33	2	3			4:22.46
34	2	2			4:27.65
35	2	1			4:29.91
36	1	3			4:34.04
37	2	7			4:34.75
38	3	9			4:35.38
39	2	9			4:36.73
40	2	0			4:37.22
41	2	8			4:38.17
42	1	4			4:41.69
43	1	5			4:49.73

Final

The final was held at 20:33.^[5]

Rank	Lane	Name	Nationality	Time	Notes
	5			3:58.76	OC
	4			3:59.97
	2			4:01.29
4	3			4:01.31	NR
5	6			4:03.67
6	1			4:05.36
7	8			4:06.16
8	7			4:08.60

Notes and References

1. https://www.fina.org/sites/default/files/general/fina_wch_gwangju_2019_-_comeptition_schedule_-_rev.18.06.2019.pdf Schedule
2. http://omegatiming.com/File/00011301070201EF01FFFFFFFFFFFF00.pdf Start list
3. https://olympics.nbcsports.com/2019/07/21/katie-ledecky-ariarne-titmus-world-swimming-championships/amp/ Katie Ledecky beaten in 400m freestyle to open swim worlds
4. http://www.omegatiming.com/File/00011301070201EF01FFFFFFFFFFFF01.pdf Heats results
5. http://omegatiming.com/File/00011301070201EF04FFFFFFFFFFFF01.pdf Final results