Swimming at the 2018 Summer Youth Olympics – Girls' 400 metre freestyle

Girls' 400 metre freestyle at the 2018 Summer Youth Olympics
Venue	Natatorium
Dates	12 October
Competitors	26 from 22 nations
Winning time	4:07.14
Medalists
Ajna Késely    Hungary   Delfina Pignatiello    Argentina   Marlene Kahler    Austria

The girls' 400 metre freestyle event at the 2018 Summer Youth Olympics took place on 12 October at the Natatorium in Buenos Aires, Argentina.

Results

Heats

The heats were started at 10:52.

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	4	Ajna Késely	Hungary	4:10.74	Q
2	3	4	Delfina Pignatiello	Argentina	4:11.86	Q
3	4	5	Marlene Kahler	Austria	4:13.10	Q
4	2	5	Nicole Oliva	Philippines	4:16.72	Q
5	3	2	Duné Coetzee	South Africa	4:16.73	Q
6	4	7	Kaitlynn Sims	United States	4:16.91	Q
7	4	1	Delfina Dini	Argentina	4:17.00	Q
8	3	8	Andrea Galisteo	Spain	4:17.07	Q
9	4	8	Erika Fairweather	New Zealand	4:17.43
10	2	4	Gan Ching Hwee	Singapore	4:17.86
11	3	3	Celine Rieder	Germany	4:18.10
12	3	6	Rafaela Raurich	Brazil	4:18.71
13	3	5	Petra Barócsai	Hungary	4:18.95
14	3	7	Tinky Ho	Hong Kong	4:19.49
15	4	6	Maddie Donohoe	United States	4:19.54
16	2	3	Malene Rypestøl	Norway	4:21.28
17	3	1	Aleksandra Knop	Poland	4:22.09
18	4	2	Kate Beavon	South Africa	4:22.48
19	4	3	Anja Crevar	Serbia	4:22.89
20	2	6	Samantha Bello	Peru	4:23.27
21	2	1	Ieva Maļuka	Latvia	4:24.64
22	2	2	Arianna Valloni	San Marino	4:26.87
23	2	7	Alexandra Frazão	Portugal	4:27.00
24	1	4	Sandy Atef	Egypt	4:30.88
25	1	5	Natalia Kuipers	Virgin Islands	4:45.60
26	1	3	Katie Rock	Albania	4:50.72

Final

The final was held at 19:13.

Rank	Lane	Name	Nationality	Time	Notes
	4	Ajna Késely	Hungary	4:07.14
	5	Delfina Pignatiello	Argentina	4:10.40
	3	Marlene Kahler	Austria	4:12.48
4	2	Duné Coetzee	South Africa	4:15.27
5	7	Kaitlynn Sims	United States	4:15.53
6	6	Nicole Oliva	Philippines	4:16.61
7	8	Andrea Galisteo	Spain	4:16.91
8	1	Delfina Dini	Argentina	4:19.25