| Event: | Girls' |
| Games: | 2018 Summer Youth |
| Venue: | Parque Polideportivo Roca |
| Date: | October 7 |
| Competitors: | 32 |
| Nations: | 32 |
| Gold: | Amber Schlebusch |
| Goldnoc: | RSA |
| Silver: | Sif Bendix Madsen |
| Silvernoc: | DEN |
| Bronze: | Anja Weber |
| Bronzenoc: | SUI |
| Prev: | 2014 |
| Next: | 2026 |
These are the results for the girls event at the 2018 Summer Youth Olympics.
| Rank | Triathlete | Nation | Swimming | Transit 1 | Cycling | Transit 2 | Running | Total time | Difference | |
|---|---|---|---|---|---|---|---|---|---|---|
| Amber Schlebusch | 9:59 | 0:46 | 30:17 | 0:28 | 17:15 | 58:45 | +0:00 | |||
| Sif Bendix Madsen | 9:55 | 0:38 | 29:37 | 0:29 | 18:17 | 58:56 | +0:11 | |||
| Anja Weber | 9:52 | 0:43 | 29:36 | 0:30 | 18:55 | 59:36 | +0:51 | |||
| Eva Daniels | 10:02 | 0:41 | 30:12 | 0:29 | 18:25 | 59:49 | +1:04 | |||
| Paula Vega | 10:11 | 0:40 | 30:09 | 0:30 | 18:19 | 59:49 | +1:04 | |||
| Barbara de Koning | 9:58 | 0:47 | 30:17 | 0:30 | 19:00 | 1:00:32 | +1:47 | |||
| Emilie Noyer | 10:52 | 0:44 | 31:04 | 0:32 | 17:25 | 1:00:37 | +1:52 | |||
| Marie Horn | 9:59 | 0:44 | 30:19 | 0:31 | 19:08 | 1:00:41 | +1:56 | |||
| Brea Roderick | 10:12 | 0:39 | 30:10 | 0:28 | 19:26 | 1:00:55 | +2:10 | |||
| 10 | Hanne Peeters | 10:32 | 0:41 | 31:25 | 0:27 | 17:57 | 1:01:02 | +2:17 | ||
| 11 | Emma Ada Middleditch | 10:54 | 0:48 | 30:57 | 0:28 | 17:57 | 1:01:04 | +2:19 | ||
| 12 | Sofia Rodríguez Moreno | 10:39 | 0:50 | 31:14 | 0:34 | 17:49 | 1:01:06 | +2:21 | ||
| 13 | Nikolett Ferenczi | 10:44 | 1:03 | 30:51 | 0:29 | 18:18 | 1:01:25 | +2:40 | ||
| 14 | Giovanna Lacerda | 10:33 | 0:48 | 31:18 | 0:31 | 18:17 | 1:01:27 | +2:42 | ||
| 15 | Alevtina Stetsenko | 10:42 | 0:38 | 31:23 | 0:29 | 18:36 | 1:01:48 | +3:03 | ||
| 16 | Chiara Lobba | 10:37 | 0:46 | 31:15 | 0:30 | 18:54 | 1:02:02 | +3:17 | ||
| 17 | Karina Clemant | 9:56 | 0:48 | 30:17 | 0:40 | 20:37 | 1:02:18 | +3:33 | ||
| 18 | Charlotte Derbyshire | 10:35 | 0:45 | 31:21 | 0:31 | 19:24 | 1:02:36 | +3:51 | ||
| 19 | Lee Jung-won | 10:06 | 0:40 | 30:15 | 0:38 | 21:06 | 1:02:45 | +4:00 | ||
| 20 | Yu Xinying | 10:43 | 0:35 | 31:24 | 0:36 | 19:31 | 1:02:49 | +4:04 | ||
| 21 | Delfina Orlandini | 10:21 | 0:47 | 31:33 | 0:29 | 19:54 | 1:03:04 | +4:19 | ||
| 22 | Ines Rico | 10:36 | 0:42 | 31:19 | 0:32 | 20:08 | 1:03:17 | +4:32 | ||
| 23 | Libby Coleman | 10:29 | 0:49 | 31:22 | 0:32 | 20:31 | 1:03:43 | +4:58 | ||
| 24 | Maria Fernanda Barbosa Sánchez | 10:47 | 0:45 | 33:04 | 0:32 | 19:18 | 1:04:26 | +5:41 | ||
| 25 | Maki Uchida | 9:32 | 0:55 | 32:16 | 0:32 | 22:05 | 1:05:20 | +6:35 | ||
| 26 | Niuska Figueredo Bringa | 10:29 | 1:16 | 32:48 | 0:57 | 20:33 | 1:06:03 | +7:18 | ||
| 27 | Lo Ho Yan | 10:39 | 1:04 | 32:54 | 0:32 | 20:59 | 1:06:08 | +7:23 | ||
| 28 | Syrine Fattoum | 10:52 | 0:54 | 32:52 | 0:32 | 21:01 | 1:06:11 | +7:26 | ||
| 29 | Enya Noel | 10:49 | 0:53 | 32:55 | 0:38 | 22:47 | 1:08:02 | +9:17 | ||
| 30 | Naomi Espinoza Guablocho | 10:34 | 0:51 | 36:51 | 0:37 | 21:08 | 1:10:01 | +11:16 1P | ||
| Maram Yasseer Mohamed | 12:26 | 0:54 | LAP | |||||||
| Maryhelen Albright | DNF |