The men's 400 metre freestyle competition of the swimming events at the 2023 Pan American Games were held on October 21, 2023, at the Aquatic Center in Santiago, Chile.

Records Prior to this competition, the existing world and Pan American Games records were as follows: World record3:40.07Rome, ItalyJuly 26, 2009Pan American Games record3:48.29Toronto, CanadaJuly 17, 2015 The following record was established during the competition: DateEventSwimmerNationTimeRecordOctober 21FinalGuilherme Costa3:46.79GR

Results KEY:QAQualified for A finalQBQualified for B finalGRGames recordNRNational recordPBPersonal bestSBSeasonal bestWDWithdrew

Heats The first round was held on October 21. RankHeatLaneNameNationalityTimeNotes134Guilherme Costa3:52.23QA233Jay Litherland3:55.00QA335Alexander Steverink3:55.21QA424Alfonso Mestre3:55.67QA531Dylan Porges3:55.84QA625James Plage3:55.90QA737Eduardo Cisternas3:56.31QA823Juan Morales3:56.34QA926Santiago Corredor3:56.75WD1036Jeremy Bagshaw3:57.43WD1132Joaquín Vargas3:57.78QB1227Jose Cano3:58.60QB1322Yu Tong Wu3:59.11QB1438Christian Bayo4:02.32QB1521Diego Dulieu4:02.45QB1615Alberto Vega4:05.79QB1714Raekwon Noel4:07.38QB1817James Allison4:07.94QB1913Gerald Hernandez4:10.362028Noah Mascoll-Gomes4:11.502111Luke-Kennedy Thompson4:11.612212Christopher Gossman4:13.212316Jose Campo4:25.68

Final B The B final was also held on October 21. RankLaneNameNationalityTimeNotes93Yu Tong Wu3:57.85104Joaquín Vargas3:58.06115Jose Cano4:00.33126Christian Bayo4:02.26132Diego Dulieu4:02.86147Alberto Vega4:05.54151Raekwon Noel4:05.82168James Allison4:11.92

Final A The A final was also held on October 21. RankLaneNameNationalityTimeNotes4Guilherme Costa3.46.79GR6Alfonso Mestre3:47.627James Plage3:50.7445Jay Litherland3:52.7253Alexander Steverink3:53.7768Juan Morales3:54.4472Eduardo Cisternas3:54.7081Dylan Porges3:55.12

References