2016 IAAF World U20 Championships – Women's 800 metres
The women's 800 metres event at the 2016 IAAF World U20 Championships was held at Zdzisław Krzyszkowiak Stadium on 19, 20 and 21 July.Medalists
Records
Results
Heats
Qualification: First 4 of each heat and the 4 fastest times qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 2 | Tigist Ketema | | 2:05.51 | Q |
| 2 | 2 | Josephine Kiplangat | | 2:05.69 | Q |
| 3 | 2 | Sarah Billings | | 2:06.13 | Q |
| 4 | 1 | Marta Hirpato | | 2:06.21 | Q |
| 5 | 1 | Foziya Niguse | | 2:06.25 | Q |
| 6 | 2 | Jazz Shukla | | 2:06.59 | Q, PB |
| 7 | 2 | Abitha Mary Manuel | | 2:06.91 | q, PB |
| 8 | 4 | Samantha Watson | | 2:07.30 | Q |
| 9 | 4 | Elise Vanderelst | | 2:07.70 | Q |
| 10 | 4 | Mareen Kalis | | 2:07.95 | Q |
| 11 | 3 | Alison Andrews-Paul | | 2:08.13 | Q |
| 12 | 1 | Adrianna Czapla | | 2:08.16 | Q |
| 13 | 1 | Aaliyah Miller | | 2:08.21 | Q |
| 14 | 2 | Nataliya Pyrozhenko | | 2:08.31 | q |
| 15 | 1 | Carla Sweeney | | 2:08.41 | q |
| 16 | 3 | Arletis Thaureaux | | 2:08.44 | Q |
| 17 | 3 | Victoria Tachinski | | 2:08.48 | Q |
| 18 | 3 | Alina Ammann | | 2:08.63 | Q |
| 19 | 1 | Saija Seppä | | 2:08.94 | q |
| 20 | 3 | Lilyana Georgieva | | 2:09.28 | |
| 21 | 4 | Salomé Afonso | | 2:09.43 | Q |
| 22 | 4 | Georgia Hansen | | 2:09.51 | |
| 23 | 3 | Oliwia Pakuła | | 2:09.53 | |
| 24 | 2 | Vendula Hluchá | | 2:09.64 | |
| 25 | 3 | Amalie Sæten | | 2:09.67 | |
| 26 | 5 | Betty Chepkemoi Sigei | | 2:10.96 | Q |
| 27 | 5 | Louise Shanahan | | 2:11.00 | Q |
| 28 | 5 | Esther Chebet | | 2:11.18 | Q |
| 29 | 1 | Jarly Marin | | 2:11.42 | |
| 30 | 5 | Johana Arrieta | | 2:11.72 | Q |
| 31 | 5 | Arina Kleshchukova | | 2:11.98 | |
| 32 | 4 | Honorine Iribagiza | | 2:12.30 | |
| 33 | 5 | Elena Bellò | | 2:13.05 | |
| 34 | 5 | Lili Das | | 2:13.45 | |
| 4 | Zorana Grujić | | | R163.3 |
| 3 | Aminat Alabi | | | |
Semifinals
Qualification: First 2 of each heat and the 2 fastest times qualified for the final.
| Rank | Heat | Name | Nationality | Time | Note |
| 1 | 1 | Aaliyah Miller | | 2:04.36 | Q |
| 2 | 3 | Samantha Watson | | 2:04.50 | Q |
| 3 | 3 | Victoria Tachinski | | 2:04.55 | Q |
| 4 | 2 | Marta Hirpato | | 2:05.09 | Q |
| 5 | 1 | Tigist Ketema | | 2:05.13 | Q |
| 6 | 1 | Elise Vanderelst | | 2:05.32 | q |
| 7 | 2 | Mareen Kalis | | 2:05.45 | Q |
| 8 | 3 | Betty Chepkemoi Sigei | | 2:05.46 | q |
| 9 | 2 | Arletis Thaureaux | | 2:05.47 | PB |
| 10 | 2 | Esther Chebet | | 2:05.47 | |
| 11 | 1 | Jazz Shukla | | 2:06.24 | PB |
| 12 | 2 | Alison Andrews-Paul | | 2:06.32 | PB |
| 13 | 3 | Foziya Niguse | | 2:06.84 | |
| 14 | 2 | Sarah Billings | | 2:06.86 | |
| 15 | 3 | Johana Arrieta | | 2:07.18 | |
| 16 | 3 | Carla Sweeney | | 2:07.78 | |
| 17 | 3 | Saija Seppä | | 2:07.91 | PB |
| 18 | 3 | Salomé Afonso | | 2:08.09 | |
| 19 | 1 | Alina Ammann | | 2:08.11 | |
| 20 | 1 | Louise Shanahan | | 2:08.43 | SB |
| 21 | 1 | Nataliya Pyrozhenko | | 2:08.44 | |
| 22 | 2 | Abitha Mary Manuel | | 2:09.80 | |
| 23 | 2 | Josephine Kiplangat | | 2:09.98 | |
| 24 | 1 | Adrianna Czapla | | 2:11.44 | |
Final
| Rank | Name | Nationality | Time | Note |
| Samantha Watson | | 2:04.52 | |
| Aaliyah Miller | | 2:05.06 | |
| Tigist Ketema | | 2:05.13 | |
| 4 | Elise Vanderelst | | 2:05.82 | |
| 5 | Marta Hirpato | | 2:06.04 | |
| 6 | Victoria Tachinski | | 2:06.11 | |
| 7 | Betty Chepkemoi Sigei | | 2:06.27 | |
| 8 | Mareen Kalis | | 2:06.32 | |
