U.S. Women Smash World Record In 4×50 Medley Relay


  • Tuesday, December 11th – Sunday, December 16th
  • Hangzhou, China
  • Tennis Centre, Hangzhou Olympic & International Expo Center
  • SCM (25m)
  • Prelims: 9:30 am local, 8:30 pm ET / Finals: 7:00 pm* local, 6:00* am ET
  • *The final night of finals will be one hour earlier, starting at 6:00 pm local and 5:00 am ET
  • Live Results (Omega)

The American quartet of Olivia SmoligaKatie MeiliKelsi Dahlia and Mallory Comerford came together to obliterate the world record in the women’s 4×50 medley relay, clocking a time of 1:42.38 to slash 0.89 seconds off the mark of 1:43.27.

That record was set by the American squad two years ago in Windsor who won gold, with Dahlia being the only remaining member from that team.

On the lead-off, Smoliga’s 50 back split of 25.97 broke the American Record set by Ali DeLoof on that 2016 relay. Check out a full split comparison below:

USA, 2016 SC Worlds USA, 2018 SC Worlds
Ali DeLoof – 26.12 Olivia Smoliga – 25.97
Lilly King – 28.78 Katie Meili – 29.29
Kelsi Worrell (Dahlia) – 24.44 Kelsi Dahlia – 24.02
Katrina Konopka – 23.93 Mallory Comerford – 23.10
1:43.27 1:42.38

The runner-ups from China broke the Asian Record once again in 1:44.31, taking down the 1:45.53 mark that they had set in the prelims.

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You could argue the ‘true’ world record was the 1:42.69 European record set by the Netherlands in 2009 (albeit set prior to FINA recognising 4×50 medley WRs)

Great swim from USA regardless!

EDIT: typo correction


they did not even have Lilly King here ….amazing relay !!!

About James Sutherland

James Sutherland

James formerly competed for the Laurentian Voyageurs in Sudbury, Ontario, specializing in the 200 free, back and IM. He finished up his collegiate swimming career in February of 2018, placing 11th at the OUA Championships in the 200 IM, and graduated with a bachelor's degree in economics in May. He …

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