Switserland, Zürich, Diamond League, Weltklasse Zürich 2019 2019 Diamond League Final - Zürich - Women's 1500m at the Letzigrund Stadium, in Zürich 29 aug 2019, Women's 1500 m, Sifan Hassan, no. 1, : 3:57.08 Source: YouTube Diamond League : 1500m Women Zürich 2019 : Last Lap at the Letzigrund Stadium, in Zürich 29 aug 2019, Women's 1500 m, Sifan Hassan, no. 1, : 3:57.08 Source: YouTube Women's 1500m - IAAF Diamond League 2019 29 aug 2019, Women's 1500 m, Sifan Hassan, no. 1, : 3:57.08 Source: YouTube