![](https://2c717466dc25cd7041c9-8eeda6a8ca964cf210ed223dbc947813.ssl.cf2.rackcdn.com/21140434-725484569-MAERTENS_GER515-17082022-LEN_Roma2022-Cetti-copia-scaled-100x56.jpeg)
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 …