| Date | 12 – 16 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 16 from 16 countries | |
| Format | Two stages with final results determined by cumulative time. | |
| Pos | Nr | Athlete | NOC | Time | Stage One | Stage Two | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | – | Xi Ricuo |  CHN | 45:03.49 | 22:23.26 (1) | 22:40.23 (1) | Gold | ||
| 2 | – | Sofía Ramos |  MEX | 45:58.97 | 22:29.52 (2) | 23:29.45 (4) | Silver | ||
| 3 | – | Olga Fiaska |  GRE | 46:10.02 | 22:46.13 (3) | 23:23.89 (2) | Bronze | ||
| 4 | – | María Villalva |  ECU | 46:15.45 | 22:48.75 (4) | 23:26.70 (3) | |||
| 5 | – | Simona Bertini |  ITA | 48:11.11 | 23:32.30 (6) | 24:38.81 (6) | |||
| 6 | – | Evin Demir |  TUR | 48:28.21 | 23:25.54 (5) | 25:02.67 (7) | |||
| 7 | – | Daryna Kasian |  UKR | 49:08.04 | 24:01.29 (7) | 25:06.75 (8) | |||
| 8 | – | Ana Pulgarín |  ESP | 50:19.97 | 24:13.77 (8) | 26:06.20 (11) | |||
| 9 | – | Sintayehu Masire |  ETH | 51:07.62 | 25:45.77 (14) | 25:21.85 (9) | |||
| 10 | – | Freysi Donaires |  PER | 51:10.65 | 25:13.94 (11) | 25:56.71 (10) | |||
| 11 | – | Sthephanie Chávez |  BOL | 51:20.89 | 24:41.80 (9) | 26:39.09 (14) | |||
| 12 | – | Marissa Swanepoel |  RSA | 51:38.78 | 25:21.85 (12) | 26:16.93 (12) | |||
| 13 | – | Melany Trejo |  ESA | 51:55.07 | 25:21.96 (13) | 26:33.11 (13) | |||
| 14 | – | Kristina Morozova |  KAZ | 52:27.00 | 25:11.17 (10) | 27:15.83 (15) | |||
| 15 | – | Carla López |  DOM | 53:41.92 | 25:49.24 (15) | 27:52.68 (16) | |||
| – | Hanna Zubkova |  BLR | – | – ( | 24:01.70 (5) |