Swimming at the 2012 Summer Olympics – Women's 4 × 100 metre medley relay
The relay competition about 4 times 100 meter medley of women in the 2012 Olympics in London was held on 3 and 4 August 2012 at the London Aquatics Centre. 16 squadrons with a total of 84 athletes took part.
There were two heats. The fastest eight squadrons heats qualified for the final, which was held on the same day.
Abbreviations: WR = World Record, OR = Olympic Record, NR = National record, PB = personal best, JWB = Jahresweltbestzeit
Existing Records
Title holders
Leader
Flow 1
August 3, 2012
Flow 2
August 3, 2012
Final
August 4, 2012, 20:07 CET Clock
For the first time all stayed Final seasons under four minutes. The Danish squadron could improve in this competition the national record twice.