Swimming at the 2024 Summer Olympics – Men's 4 × 100-metre freestyle relay

The United States won the event at the previous Olympics, and won the event at the 2022 World Championships. Australia won the event at the 2023 World Championships and China won it at the 2024 World Championships. In the heats (preliminary rounds) of the 2023 World Championships, Great Britain registered the fastest time but were disqualified due to one of their swimmers starting just before the other one finished. Both SwimSwam and Swimming World predicted the US would win, Great Britain would come second and Australia would come third. The event was held at Paris La Défense Arena, which was converted to a swimming pool for the swimming events. == Qualification ==

Each National Olympic Committee could enter one team, and there were a total of sixteen qualifications places available. The first three qualifying places were taken by the podium finishers at the 2023 World Championships, and the final thirteen qualifying places were allocated to the fastest performances at the 2023 and 2024 World Championships. == Heats ==

Two heats (preliminary rounds) took place on 27 July 2024, starting at 12:26. China won the first heat with the fastest qualifying time of 3:11.62, with Pan Zhanle of China swimming the fastest individual time of 46.98. == Final ==

The final took place at 21:44 on 27 July. The US was ahead after the second swimmers had swum, and they maintained their lead to the finish to win with a time of 3:09.28. Australia won silver with 3:10.35, Italy won bronze with 3:10.70, and China placed fourth with 3:11.28. Germany finished in seventh, setting a new national record of 3:12.29. The win gave the US their first gold of the 2024 Games. == Further reading ==