The Men's 400m freestyle event at the 2010 South American Games was held on March 27, with the heats at 10:48 and the Final at 18:15.
Medalists edit
| Gold | Silver | Bronze |
Alejandro Gómez Venezuela
|
Lucas Kanieski Brazil
|
Julio Galofre Colombia
|
Records edit
| Standing records prior to the 2010 South American Games | ||||
|---|---|---|---|---|
| World record |  Paul Biedermann (GER)
|
3:40.07 | Rome, Italy | 26 July 2009 |
| Competition Record | Erwin Maldonado (VEN)
|
3:59.57 | Buenos Aires, Argentina | 16 November 2006 |
| South American record | Ricardo Monasterio (VEN)
|
3:50.01 | Santo Domingo, Dominican Republic | 14 August 2003 |
Results edit
Heats edit
| Rank | Heat | Lane | Athlete | Result | Notes |
|---|---|---|---|---|---|
| 1 | 2 | 7 |  Esteban Enderica (ECU)
|
4:02.99 | Q |
| 2 | 2 | 3 |  Juan Martin Pereyra (ARG)
|
4:03.35 | Q |
| 3 | 2 | 6 |  Sebastián Jahnsen Madico (PER)
|
4:03.52 | Q |
| 4 | 2 | 5 | Lucas Kanieski (BRA)
|
4:03.60 | Q |
| 5 | 1 | 3 | Daniele Tirabassi (VEN)
|
4:03.84 | Q |
| 6 | 1 | 5 | Julio Galofre (COL)
|
4:04.00 | Q |
| 7 | 1 | 4 | Esteban Paz (ARG)
|
4:04.17 | Q |
| 8 | 1 | 6 | Alejandro Gómez (VEN)
|
4:04.30 | Q |
| 9 | 2 | 2 | Mateo de Angulo (COL)
|
4:04.58 | |
| 10 | 2 | 4 | Rodrigo Castro (BRA)
|
4:05.25 | |
| 11 | 1 | 2 | Ivan Alejandro Ochoa (ECU)
|
4:05.59 | |
| 12 | 1 | 7 | Sebastian Arispe Silva (PER)
|
4:12.49 | |
| 13 | 2 | 1 |  Alvaro Pfeifer (CHI)
|
4:22.72 | |
| 14 | 1 | 1 |  Julio Laurentino (PAR)
|
4:41.81 |
Final edit
| Rank | Lane | Athlete | Result | Notes |
|---|---|---|---|---|
 |
8 | Alejandro Gómez (VEN)
|
3:58.41 | CR |
 |
6 | Lucas Kanieski (BRA)
|
13:58.58 | |
 |
7 | Julio Galofre (COL)
|
3:58.78 | |
| 4 | 2 | Daniele Tirabassi (VEN)
|
3:59.63 | |
| 5 | 5 | Juan Martin Pereyra (ARG)
|
4:01.51 | |
| 6 | 1 | Esteban Paz (ARG)
|
4:01.57 | |
| 7 | 4 | Esteban Enderica (ECU)
|
4:03.22 | |
| 8 | 3 | Sebastián Jahnsen Madico (PER)
|
4:04.65 |