Round 1
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 275 | Laura Oliveira |  CLAC | SUB-16 | 02:44.91 | 
| 2 | 131 | Helena Bastos |  AEAC | SUB-16 | 02:50.88 (X) | 
| 3 | 1114 | Leonor Vitória |  ASE | SUB-16 | 02:54.73 | 
| 4 | 304 | Matilde Fernandes |  CPA-S | SUB-16 | 02:58.98 | 
| 5 | 898 | Rita Simões |  CBA-S | SUB-16 | 03:03.30 | 
| 6 | 447 | Carolina Carreira |  GAF | SUB-18 | 03:08.33 | 
| DNS | 868 | Sara Fernandes |  AEAC | SUB-18 | x | 
| DNS | 1168 | Cecília Cabral |  AEAC | SUB-18 | x | 
Round 2
| Position | BIB | Name | Team | Echelon | Mark | 
|---|---|---|---|---|---|
| 1 | 492 | Matilde Ferreira |  JDAL | SUB-18 | 02:25.17 | 
| 2 | 2098 | Leonor Mira |  GDC | SUB-18 | 02:27.61 (X) | 
| 3 | 2087 | Joana Caseiro |  CAMG | SUB-16 | 02:29.58 (X) | 
| 4 | 2096 | Petra Azevedo |  CPRAB | SUB-18 | 02:31.24 (X) | 
| 5 | 1129 | Carolina Morgado |  AEAC | SUB-16 | 02:33.72 | 
| 6 | 2089 | Mariana Pedroso |  CAMG | SUB-16 | 02:38.53 (X) | 
| 7 | 840 | Ana Simões |  UDZA | SUB-16 | 02:41.94 | 
| 8 | 641 | Maria Pita |  THA | SUB-16 | 02:49.37 | 
| DNS | 478 | Beatriz Bastos |  JDAL | SUB-16 | x |