2015 IAAF World Relays – Women's 4 × 400 metres relay

Women's 4 x 400 metres relay at the 2015 IAAF World Relays
Venue	Thomas Robinson Stadium
Dates	2 May (heats) & 3 May (final)
Nations	17
Winning time	3:19.39
Medalists
Phyllis Francis Natasha Hastings Sanya Richards-Ross Francena McCorory  United States   Anastasia Le-Roy Novlene Williams-Mills Christine Day Stephenie Ann McPherson  Jamaica   Eilidh Child Anyika Onuora Kelly Massey Seren Bundy-Davies  Great Britain
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Events at the 2015 World Relays
Events
4 × 100 m relay		men		women
4 × 200 m relay		men		women
4 × 400 m relay		men		women
4 × 800 m relay		men		women
Distance medley relay		men		women
This box:

The women's 4 x 400 metres relay at the 2015 IAAF World Relays was held at the Thomas Robinson Stadium on 2–3 May.

Prior to the competition, the records were as follows:

All times are local times (UTC-4)

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

The final B was started at 20:20.

The final was started at 20:32.

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