| Date | 11 – 15 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Pentathlon & Cross Country, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires / Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 21 from 21 countries | |
| Format | Two stages with final results determined by cumulative points for each stage. First stage over 3,000 metres, second stage cross-country. | |
| Pos | Competitor | NOC | Points | |||
|---|---|---|---|---|---|---|
| 1 | Sarah Chelangat |  UGA | 2 | Gold | ||
| 2 | Mercy Chepkorir Kirarei |  KEN | 4 | Silver | ||
| 3 | Aberash Minsewo |  ETH | 6 | Bronze | ||
| 4 | Carmie Prinsloo |  RSA | 10 | |||
| 5 | Kisanet Mariskos Hidru |  ERI | 13 | |||
| 6 | Alessia Zarbo |  FRA | 13 | |||
| 7 | Cameron Ormond |  CAN | 13 | |||
| 8 | Hannah O'Connor |  NZL | 16 | |||
| 9 | Miyaka Sugata |  JPN | 16 | |||
| 10 | İnci Kalkan |  TUR | 18 | |||
| 11 | Odile Nintije |  BDI | 22 | |||
| 12 | Vasileia Spyrou |  GRE | 24 | |||
| 13 | Seema Seema |  IND | 26 | |||
| 14 | Linn Kleine |  GER | 31 | |||
| 15 | Bernadette Bingonda |  COD | 32 | |||
| 16 | María Ascanio |  VEN | 32 | |||
| 17 | Moneyi Chingaipe |  MAW | 33 | |||
| 18 | Malineo Mofolo |  LES | 38 | |||
| Ángela Freitas |  TLS | – | ||||
| Gozel Chopanova |  TKM | – | ||||
| Abdoulaye Ramatou |  NIG | – |
