The women's 4 × 100 metres relay at the 2017 World Championships in Athletics was held at the London Olympic Stadium on 12 August.

Through the final turn, Germany's Gina Lückenkemper made up a lot of ground as the field tightened.

Onto the straightaway, Bowie had a half metre lead over Forbes and Neita, who were virtually even.

As Neita tightened, Forbes started to close but not enough for Jamaica to take the silver away from the British.

Before the competition records were as follows:[2] The following records were set at the competition:[3] The first eight placed teams at the 2017 IAAF World Relays and the host country qualify automatically for entry with remaining places being filled by teams with the fastest performances during the qualification period.