Sam Short Unloads 3:40.67 400 Free Personal Best For #1 In World Rankings

2026 AUSTRALIAN SWIMMING TRIALS

Leave it to Sam Short to give Aussie trials a dynamite start. In the meet’s first event, the men’s 400 freestyle, he gave the World and national records a proper scare with a 3:40.67, marked by an aggressive front half. 

Though he missed the aforementioned records, it still marked one of the best swims of the 22-year-old’s career and one of the strongest performances in any event anywhere in the world this year. The time checks in as Short’s lifetime best — .01 under the 3:40.68 he delivered to take the 2023 World Title. It also keeps him as the #5 all-time performer.

All-Time Performers, Men’s LCM 400 free:

  1. Lukas Märtens (GER) — 3:39.96, 2025
  2. Paul Biedermann (GER) — 3:40.07, 2009
  3. Ian Thorpe (AUS) — 3:40.08, 2002
  4. Sun Yang (CHN) — 3:40.14, 2012
  5. Sam Short (AUS) — 3:40.67, 2026

Domestically, Short maintains his place as the second-fastest performer ever, trailing Ian Thorpe, and it marks the fifth-fastest performance ever from an Australian, with Thorpe having clocked 3:40.08, 3:40.14, 3:40.54 and 3:40.59 during his legendary career.

With Commonwealth Games and Pan Pacs privileges secured, Short takes the pole position in the season’s world rankings. He leapfrogs over previous #2 Märtens (3:41.76) and former #1 Zhang Zhanshuo of China (3:41.55) to lead the globe by nearly a second. Short previously had the #3 spot at 3:42.53 from the Australian Open.

2025-2026 LCM Men 400 FREE

SamuelAUS
SHORT
06/08
3:40.67
2Zhang
Zhanshuo
CHN3:41.5503/21
3Lukas
Märtens
GER3:41.7604/23
4Oliver
Klemet
GER3:43.1404/09
5Ryan
ERISMAN
USA3:44.0305/24
View Top 26»
 

To bring home just how aggressive Short went on his first half today, compare his splits this evening to his previous pb as well as Märtens’. It was under Märtens’ world record pace from the 150 to the 350. That swim in its own right was already known for an aggressive first 200.

Sam Short, 2023 Worlds Sam Short, 2026 Aussie Trials Lukas Märtens, 2025 Stockholm Open
50 25.91  25.22 24.75 
100 53.58 (27.67) 52.28 (27.06) 51.90 (27.15)
150 1:21.33 (27.75) 1:19.47 (27.19) 1:19.65 (27.75)
200 1:49.29 (27.96) 1:47.33 (27.86) 1:47.55 (27.90)
250 2:17.46 (28.17) 2:15.22 (27.89) 2:15.83 (28.28)
300 2:45.49 (28.03) 2:43.69 (28.47) 2:44.01 (28.18)
350 3:13.67 (28.18) 3:12.38 (28.69) 3:12.39 (28.38)
400 3:40.68 (27.01) 3:40.67 (28.29) 3:39.96 (27.57)

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Italian fan
1 month ago

I never tire of saying this: Thorpe pulled the brakes at the finish of that 2002 swim, or he would have been 3:39

Joel
Reply to  Italian fan
1 month ago

Yep. Would have been one of the longest surviving WRs

Mr Piano
Reply to  Joel
1 month ago

The longest lasting one for sure. Would have lasted at least 22 years and 9 months, potentially even longer.

McIntosh-Marchand
Reply to  Italian fan
1 month ago

He said it himself, had he known he’d be breaking WR, he wouldn’t have slowed down at 5m from the finish. He had many events at 2002 commonwealth games which included 100 back.

wild
1 month ago

What are the odds he break’s Thorpe’s Australian record and challenges the WR this year?

64x25m.
Reply to  wild
1 month ago

We will see 3:38 this year.

Deal the cards.

wild
Reply to  64x25m.
1 month ago

I can’t see anyone going a 3:38 now. 3:39 sure, not 3.38

64x25m.
Reply to  wild
1 month ago

3:40 a quarter century ago. The event stalled, and is due for a big breakthrough.

3:38 this year!!

64x25m.
Reply to  64x25m.
1 month ago

(It’s crazy that Thorpe WR-ded 5 f*****g times.)

Mr Piano
1 month ago

No way he went 6 7

Admin
Reply to  Mr Piano
1 month ago

NNooooo wayyyyyy.

64x25m.
Reply to  Mr Piano
1 month ago

I think there are 3 great mysteries:

1. The Big Bang.
2. Melania.
3. 6-7.

Nobody is ever going to properly explain these.

Last edited 1 month ago by 64x25m.
SAMUEL HUNTINGTON
Reply to  Mr Piano
1 month ago

Is 6 7 a thing in Australia??

wild
Reply to  SAMUEL HUNTINGTON
1 month ago

It probably is

wild
Reply to  Will Baxley
1 month ago

Marchand referenced it in an interview too

PFA
Reply to  wild
1 month ago

So did McEvoy earlier this year

ger on top
1 month ago

sam short break the wr at commies and then oliver klemet breaks it at europeans. 3:39,8 for oliver.

Why is Wiffen at CAL.
1 month ago

This statement Domestically, it stands as the #2 Australian performance all-time, trailing only Ian Thorpe’s legendary 3:40.08 from nearly a quarter-century ago.

Is mistaken. He is the #2 australian performer. But Thorpe swam under that time 3 times, so its not the #2 Australian Performance.

Mr Piano
Reply to  Why is Wiffen at CAL.
1 month ago

4 times actually!

3:40.08 2002 Commenwealth Games
3:40.17 2001 World Championships
3:40.54 2002 Australian Swimming championships
3:40.59 2000 Olympic Games

Crazy to think Short wasn’t even born yet lol

Mr Piano
Reply to  Why is Wiffen at CAL.
1 month ago

4 times actually!

3:40.08 2002 Commenwealth Games
3:40.17 2001 World Championships
3:40.54 2002 Australian Swimming championships
3:40.59 2000 Olympic Games

Crazy to think Short wasn’t even born yet lol

Andre
1 month ago

Short breaks this WR at Comm Games, then Maertens breaks it at Europeans, and then Zhang Zhanshuo breaks it at Asian Games

PFA
1 month ago

Maybe it’s that his front speed is there now but he might break his 800 free Australian record this week. Hacketts 1500 record should be safe for now.

Mr Piano
Reply to  PFA
1 month ago

I don’t want to give absolutes but I think that going out in 1:47.3 in the 200
could maybe make him hurt the reason of this week.

Mr Piano
Reply to  PFA
1 month ago

I don’t want to give absolutes but I think that going out in 1:47.3 in the 200
could maybe make him hurt the reason of this week.

64x25m.
Reply to  Mr Piano
1 month ago

You can say that again!

Feisty Lamp
Reply to  Mr Piano
1 month ago

Townley haas ahh