| Year: | 2023 |
| Event: | Men's 800 metre freestyle |
| Prev: | 2019 |
| Next: | 2027 |
| Venue: | Aquatic Center |
| Date: | October 23, 2023 |
| Gold: | Guilherme Costa |
| Goldnoc: | BRA |
| Competitors: | 22 |
| Nations: | 16 |
| Silver: | Alfonso Mestre |
| Silvernoc: | VEN |
| Bronze: | Will Gallant |
| Bronzenoc: | USA |
The men's 800 metre freestyle competition of the swimming events at the 2023 Pan American Games were held on October 23, 2023, at the Aquatic Center in Santiago, Chile.[1]
Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | 7:32.12 | Rome, Italy | July 29, 2009 | ||
| Pan American Games record | 7:54.70 | Lima, Peru | August 8, 2019 |
| KEY: | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
The final round was held on October 23 and divided into three different races.[2] [3]
| Rank | Race | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 3 | 4 | Guilherme Costa | 7:53.01 | GR | |||
| 3 | 5 | Alfonso Mestre | 7:54.46 | ||||
| 3 | 3 | Will Gallant | 7:58.96 | ||||
| 4 | 3 | 6 | Thiago Maturana | 8:00.01 | |||
| 5 | 3 | 6 | Juan Morales | 8:05.49 | |||
| 6 | 3 | 1 | Alexander Axon | 8:09.35 | |||
| 7 | 2 | 4 | Dylan Porges | 8:09.87 | |||
| 8 | 3 | 2 | James Plage | 8:10.73 | |||
| 9 | 2 | 3 | Eduardo Cisternas | 8:11.13 | |||
| 10 | 2 | 5 | Ivo Cassini | 8:12.32 | |||
| 11 | 3 | 8 | Lucas Alba | 8:15.72 | |||
| 12 | 2 | 8 | Diego Dulieu | 8:16.48 | |||
| 13 | 2 | 6 | Adam Wu | 8:18.09 | |||
| 14 | 2 | 2 | Sebastián Camacho | 8:18.44 | |||
| 15 | 2 | 7 | Jose Cano | 8:18.80 | |||
| 16 | 1 | 5 | Rodolfo Falcón | 8:19.66 | |||
| 17 | 1 | 4 | Christian Bayo | 8:20.52 | |||
| 18 | 2 | 1 | Rafael Ponce | 8:24.08 | |||
| 19 | 1 | 3 | Raekwon Noel | 8:34.68 | |||
| 20 | 1 | 6 | Alberto Vega | 8:37.10 | |||
| 21 | 1 | 2 | Diego Alvarado | 9:01.73 | |||
| 22 | 1 | 7 | Jack Barr | 9:03.54 |