2024 Olympics Previews: Is There Another Surprise Loading In The Men’s 400 Freestyle?
By The Numbers — Men’s 400 Freestyle World Record: 3:40.07 — Paul Biedermann, Germany (2009) World Junior Record: 3:44.31 — Petar Mitsin, Bulgaria (2023) Olympic Record: 3:40.14 — Sun Yang, China (2012) 2020 Olympic Champion: Ahmed Hafnaoui, Tunisia — 3:43 …