2014 IAAF World Relays – Women's 4 × 400 metres relay

The women's 4 × 400 metres relay at the 2014 IAAF World Relays was held at the Thomas Robinson Stadium on 24 and 25 May.

Records
Prior to the competition, the records were as follows:

Schedule
All times are local times (UTC−4)

Heats
Qualification: First 3 of each heat (Q) plus the 2 fastest times (q) advanced to the final.