| Event: | Men's 400 metres T11 |
| Games: | 2023 |
| Venue: | Mario Recordón Athletics Training Center |
| Dates: | November 22 - November 23 |
| Competitors: | 7 |
| Nations: | 4 |
| Win Value: | 52.05 |
| Win Label: | Winning time |
| Gold: | Daniel Silva Guide: Wendel de Souza |
| Goldnoc: | BRA |
| Silver: | Enserdon Santos Guide: Eugrid Maza |
| Silvernoc: | VEN |
| Bronze: | José de Jesús Flores Guide: Javier Carrillo |
| Bronzenoc: | MEX |
| Prev: | 2019 |
| Next: | 2027 |
The men's T11 400 metres competition of the athletics events at the 2023 Parapan American Games was held on November 22 - 23 at the Mario Recordón Athletics Training Center within the Julio Martínez National Stadium of Santiago, Chile.[1]
Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | 49.82 | Guadalajara, Mexico | November 18, 2011 | ||
| Parapan American Games record | 49.82 | Guadalajara, Mexico | November 18, 2011 | ||
| Americas record | 49.82 | Guadalajara, Mexico | November 18, 2011 |
| Date | Time | Round | |
|---|---|---|---|
| November 22, 2023 | 17:04 | Semifinals | |
| November 23, 2023 | 17:44 | Final |
All times shown are in seconds.
| KEY: | bgcolor=ccffcc align=center | q | bgcolor=ccffcc align=center | Q | Qualified | PR | Parapan Games record | NR | National record | SB | Seasonal best | DQ | Disqualified |
The fastest two athletes of each semifinal advance to the final. The results were as follows:[2]
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 2 | Daniel Silva Guide: Wendel de Souza | 53.22 | Q | |
| 2 | 2 | Enderson Santos Guide: Eugrid Maza | 54.83 | q | |
| 3 | 1 | David Brown Guide: Je'von Hutchison | 56.08 | Q | |
| 4 | 1 | José de Jesús Flores Guide: Javier Carrillo | 56.32 | q | |
| 5 | 2 | Yasser Guzmán Guide: Cristian Valdez | 57.70 | ||
| 6 | 2 | Oscar Sánchez Guide: Adrian Marquez | 57.98 | ||
| 7 | 1 | Felipe Gomes Guide: Jonas De Lima | DNF | ||
The results were as follows:[3]
| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 5 | Daniel Silva Guide: Wendel de Souza | 52.05 | |||
| 7 | Enderson Santos Guide: Eugrid Maza | 53.28 | |||
| 1 | José de Jesús Flores Guide: Javier Carrillo | 56.35 | |||
| 4 | 3 | David Brown Guide: Je'von Hutchison | 56.79 | ||