WATCH: All Of Mollie O’Callaghan’s Swims From the 2023 World Championships

2023 WORLD AQUATICS CHAMPIONSHIPS

Australia’s Mollie O’Callaghan had a huge meet at the 2023 World Championships, capturing the World title in the 100 and 200 freestyles, becoming the first women to ever do so. O’Callaghan also set a new World Record in the 200 freestyle, breaking Federica Pelligrini‘s record that had stood since 2009 (aka the supersuit era).

In addition to her individual success, O’Callaghan also helped Australia set new World Records in the women’s 4×100 and 4×200 freestyle relays as well as in the mixed 4×100 free relay.

100 Freestyle

  • World Record: Sarah Sjostrom, Sweden – 51.71 (2017)
  • World Junior Record: Penny Oleksiak, Canada – 52.70
  • Championship Record: Sarah Sjostrom, Sweden – 51.71 (2017)
  • 2022 World Champion: Mollie O’Callaghan, Australia – 52.67
  • 2022 Time to Medal: 52.92

Top 8:

  1. Mollie O’Callaghan (AUS) — 52.16
  2. Siobhan Haughey (HKG) — 52.49
  3. Marrit Steenbergen (NED) — 52.71
  4. Kate Douglass (USA) — 52.81
  5. Emma McKeon (AUS) — 52.83
  6. Abbey Weitzeil (USA) — 53.34
  7. Michelle Coleman (SWE) — 53.83
  8. Yang Junxuan (CHN) — 54.06

https://www.youtube.com/watch?v=LyndD4o_cPI

200 Freestyle

  • World Record: Federica Pellegrini, Italy — 1:52.98 (2009)
  • World Junior Record: Summer McIntosh, Canada – 1:53.91 (2023)
  • Championship Record: Federica Pellegrini, Italy -1:52.98 (2009)
  • 2022 World Champion: Yang Junxuan, China – 1:54.92
  • 2022 Time to Medal: 1:56.25

Top 8:

  1. Mollie O’Callaghan (AUS) — 1:52.85 (WORLD RECORD)
  2. Ariarne Titmus (AUS) — 1:53.01
  3. Summer McIntosh (CAN) — 1:53.65 (WORLD JUNIOR RECORD)
  4. Siobhan Haughey (HKG) — 1:53.96
  5. Marrit Steenbergen (NED) — 1:55.51
  6. Bella Sims (USA) — 1:56.00
  7. Freya Anderson (GBR) — 1:56.33
  8. Liu Yaxin (CHN) — 1:56.97

Women’s 4×100 Freestyle Relay

  • World Record: Australia – 3:29.69 (2021)
  • Championship Record: Australia – 3:30.21 (2019)
  • 2022 World Champion: Australia – 3:30.95
  1. Australia — 3:27.96 (WORLD RECORD)
  2. United States — 3:31.93
  3. China — 3:32.40
  4. Great Britain — 3:33.90
  5. Sweden — 3:34.17
  6. Netherlands — 3:35.41
  7. Canada — 3:36.62
  8. Japan — 3:38.61

Women’s 4×200 Freestyle Relay

  • World Record: Australia – 7:39.29 (2022)
  • Championship Record: United States – 7:41.45 (2022)
  • 2022 World Champion: United States – 7:41.45
  • 2022 Time to Medal: 7:44.76

Top 8:

  1. Australia (O’Callaghan, Jack, Throssell, Titmus) — 7:37.50 (WORLD RECORD)
  2. United States (Gemmell, Ledecky, Sims, Shackell) — 7:41.38
  3. China (Li, Li, Ai, Liu) — 7:44.40
  4. Great Britain — 7:46.63
  5. Canada — 7:49.98
  6. Netherlands — 7:52.93
  7. Hungary — 7:54.65
  8. Brazil — 7:59.10

Women’s 4×100 Medley Relay

  • World Record: United States – 3:50.40 (2019)
  • Championship Record: United States – 3:50.40 (2019)
  • World Junior Record: Canada – 3:58.38 (2017)
  • 2022 Winning Time: United States – 3:53.78

Top 8:

  1. USA – 3:52.08
  2. Australia – 3:53.37
  3. Canada – 3:54.12
  4. China – 3:54.57
  5. Sweden – 3:56.32
  6. Japan – 3:58.02
  7. Netherlands – 3:58.09
  8. France – 3:59.25

Mixed 4×100 Freestyle Relay

  • World Record: 3:19.38 — Australia (2022)
  • Championship Record: 3:19.38 — Australia (2022)
  • World Junior Record: 3:25.92 — United States (2019)
  • 2022 Winning Time: 3:19.38

Top 8:

  1. Australia (Cartwright, Chalmers, Jack, O’Callaghan) — 3:18.83 (WORLD RECORD)
  2. United States (Alexy, King, Weitzeil, Douglass) — 3:20.82
  3. Great Britain (Richards, Scott, Hopkin, Anderson) — 3:21.68
  4. Canada — 3:23.82
  5. Italy — 3:24.53
  6. Brazil — 3:25.21
  7. Japan — 3:26.96
  8. Germany — 3:27.18

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Swammer
1 year ago

I am with those who say that a more detailed physio-rehab explanation is needed as to how MOC recovered from a dislocated kneecap a few weeks prior to the meet and went on to break one of the longest-standing WRs on the books. This is where the (limited) swim media needs to ask the hard questions, and perhaps the ITA needs to utilize its investigative resources. For example, was a TUE involved and was it legitimate?

Anonymous
Reply to  Swammer
1 year ago

Could be mind games. Remember when Finke showed up in a boot to NCAAs or something and proceeded to crush everyone. Could be more rest, could be lower expectations

Troyy
Reply to  Swammer
1 year ago

Cate might have been right about Americans being sore losers.

JTL
Reply to  Troyy
1 year ago

The pushback on MOC’s knee “rehab” more likely coming internally from her Australian 100m Free and 200m Free competition. But the silence on the MOC injury rehab issue is quite deafening, and unusual, as is the lack of media review, questioning and insight.

NoFastTwitch
1 year ago

The underwater video of the 200 is very interesting. I’m no coach, but AT’s stroke looks almost classically flawless while SM’s technique looks much less conventional – her right arm in particular never seems to fully extend. Can’t really see MO’s stroke over in lane 3 – would love to see how it compares to MA’s.

Troyy
Reply to  NoFastTwitch
1 year ago

You can see Mollie better in the underwater video of the 4×200 final.

https://www.youtube.com/watch?v=ENdkiF2nRqQ

Swim Dad
1 year ago

🐄🔔

Bubba
Reply to  Swim Dad
1 year ago

Cow bell? What does this mean?

snailSpace
Reply to  Swim Dad
1 year ago

So bitter smh

Sub13
Reply to  Swim Dad
1 year ago

Looks like the cowbell didn’t affect her much lol

Hooked on Chlorine
Reply to  Swim Dad
1 year ago

comment image

About Anya Pelshaw

Anya Pelshaw

Anya has been with SwimSwam since June 2021 as both a writer and social media coordinator. She was in attendance at the 2022, 2023, and 2024 Women's NCAA Championships writing and doing social media for SwimSwam. She also attended 2023 US Summer Nationals as well as the 2024 European Championships …

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