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Shaine Casas Posts PB 3:34.09 In 400 IM, #5 Performer All-Time

2025 EDDIE REESE SHOWDOWN

Pros Race

  • Anna Elendt – 100 breast – 57.75
  • Regan Smith – 200 back – 1:48.17
  • Simone Manuel – 100 free – 47.29
  • Carson Foster – 200 fly – 1:41.37
  • Shaine Casas – 400 IM – 3:34.09

Shaine Casas swam to a personal best time in the 400 IM on Friday night, posting a 3:34.09 in the 400 IM. That time makes him the #5 performer all-time in the event as well, sitting right behind fellow Texas-based Carson Foster.

Top 5 Performers Men’s 400 IM

  1. Leon Marchand, 3:28.82
  2. Hugo Gonzalez, 3:32.88
  3. Chase Kalisz, 3:33.42
  4. Carson Foster, 3:33.79
  5. Shaine Casas, 3:34.09

Casas had a previous best time of a 3:38.22 that he swam back in October 2020 back when he was at Texas A&M. He swam the race in his own heat tonight as a member of the Texas pro group.

Casas arrived at Texas in 2022 while the team was under Eddie Reese. He stayed for the coaching change this past summer as well as Bob Bowman arrived from Arizona State.

Already seeing success this year under Bowman, Casas won the SC World Championship title last month in the 200 IM. He also helped the US to numerous gold medals at the relay level. The meet was a huge bounce back after he missed the final of the 200 IM at the 2024 Paris Olympics, finishing 9th in semifinals.

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Swimmerj
2 months ago

Shaine❤️

ALEXANDER POP-OFF
2 months ago

Watch the haters hop on his bandwagon with a quickness.

Owlmando
2 months ago

The people love seeing casas thrive, we are for him!

Daaaave
2 months ago

He looked great (how can a 3:34 not look great), but the most promising part about that swim for Shaine’s summer was the big smile at the end.

Happy, confident, enjoying doing the work.

Bobthebuilderrockd
2 months ago

If Shaine does a 2 fly over 2 back tomorrow, things could get interesting…

Woods
2 months ago

What were his splits?

X Glide
Reply to  Woods
2 months ago

Tried to hand time using an online stopwatch so these are very rough:

#1 00:21.893 00:21.893
#2 00:25.823 00:47.716
#3 00:27.985 01:15.701
#4 00:27.689 01:43.390
#5 00:30.054 02:13.444
#6 00:30.048 02:43.492
#7 00:26.352 03:09.844
#8 00:24.073 03.33.917

Scoreboard said 24.21 on the last 50 so using that instead of what I got would result in 3:34.05

Last edited 2 months ago by X Glide
Rumbuns
2 months ago

Five of the six fastest ever now coached by Bob including Rex Maurer. That has to be a first for a single event in history.

25Back
Reply to  Rumbuns
2 months ago

Is David Schlicht 6th? Also – still super impressive but Kalisz wasn’t coached by Bob when he went his yards PB

BoyerM
Reply to  25Back
2 months ago

I believe Chase had his huge drop in yards when he came back to UGA after training with Bob for Rio. Still, good point that he was at UGA at the time he went his SCY PB.

Observer
2 months ago

Splts?

About Braden Keith

Braden Keith

Braden Keith is the Editor-in-Chief and a co-founder/co-owner of SwimSwam.com. He first got his feet wet by building The Swimmers' Circle beginning in January 2010, and now comes to SwimSwam to use that experience and help build a new leader in the sport of swimming. Aside from his life on the InterWet, …

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