# Gustavo Aguirre

Gustavo Hernando Aguirre (born 8 April 1977 in Buenos Aires) is a retired Argentine athlete who specialised in the 400 metres. He competed at the 2000 Summer Olympics failing to qualify for the second round.
His 400 metres personal best of 46.18, set in 1999, is the standing national record. His 800 metres personal best is 1:47.23, set in 2007.

## Competition record

| Year | Competition | Venue | Position | Event | Notes |
| Representing Argentina ||||||
| 1992 | South American Youth Championships | Santiago, Chile | 1st | 400 m | 49.99 |
| 1992 | South American Youth Championships | Santiago, Chile | 1st | 800 m | 1:57.27 |
| 1994 | South American Junior Championships | Santa Fe, Argentina | 4th | 400 m | 49.46 |
| 1994 | South American Junior Championships | Santa Fe, Argentina | 2nd | 4x400 m relay | 3:17.93 |
| 1994 | Ibero-American Championships | Mar del Plata, Argentina | 5th | 4x400m relay | 3:10.51 |
| 1995 | Pan American Games | Mar del Plata, Argentina | 16th (h) | 400 m | 48.84 |
| 1995 | Pan American Junior Championships | Santiago, Chile | 8th (h) | 400 m | 49.23 |
| 1995 | South American Junior Championships | Santiago, Chile | 2nd | 400 m | 48.19 |
| 1995 | South American Junior Championships | Santiago, Chile | 3rd | 4x400 m relay | 3:16.63 |
| 1996 | South American Junior Championships | Bucaramanga, Colombia | 1st | 400 m | 48.3 |
| 1996 | South American Junior Championships | Bucaramanga, Colombia | 3rd | 800 m | 1:52.4 |
| 1996 | South American Junior Championships | Bucaramanga, Colombia | 3rd | 4x100 m relay | 41.4 |
| 1996 | South American Junior Championships | Bucaramanga, Colombia | 5th | 4x400 m relay | 3:20.5 |
| 1996 | World Junior Championships | Sydney, Australia | 34th (h) | 400 m | 48.46 |
| 1997 | South American Championships | Mar del Plata, Argentina | 3rd | 400 m | 47.52 |
| 1997 | South American Championships | Mar del Plata, Argentina | 4th | 4x400 m relay | 3:10.33 |
| 1998 | Ibero-American Championships | Lisbon, Portugal | 8th | 800 m | 1:53.52 |
| 1999 | South American Championships | Bogotá, Colombia | 4th | 800 m | 1:51.21 |
| 1999 | South American Championships | Bogotá, Colombia | 3rd | 4x400 m relay | 3:08.53 |
| 2000 | Ibero-American Championships | Rio de Janeiro, Brazil | 3rd | 400 m | 46.69 |
| 2000 | Ibero-American Championships | Rio de Janeiro, Brazil | 3rd | 4x400 m relay | 3:12.45 |
| 2000 | Olympic Games | Sydney, Australia | 58th (h) | 400 m | 47.03 |
| 2001 | South American Championships | Manaus, Brazil | 4th | 400 m | 46.93 |
| 2001 | South American Championships | Manaus, Brazil | 3rd | 4x400 m relay | 3:13.88 |
| 2005 | South American Championships | Cali, Colombia | 3rd | 400 m | 46.43 |
| 2005 | South American Championships | Cali, Colombia | 3rd | 4x400 m relay | 3:08.61 |
| 2006 | South American Championships | Tunja, Colombia | 5th | 400 m | 47.86 |
| 2006 | South American Championships | Tunja, Colombia | 3rd | 4x100 m relay | 40.47 |
| 2006 | South American Championships | Tunja, Colombia | 4th | 4x400 m relay | 3:12.34 |
| 2007 | Pan American Games | Rio de Janeiro, Brazil | 7th | 800 m | 1:47.23 |
| 2008 | Ibero-American Championships | Iquique, Chile | 11th (h) | 800 m | 1:53.51 |