| Athletics at the 2010 South American Games | ||
|---|---|---|
| | ||
| Track events | ||
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | men | women |
| 1500 m | men | women |
| 5000 m | men | women |
| 10,000 m | men | women |
| 100 m hurdles | women | |
| 110 m hurdles | men | |
| 400 m hurdles | men | women |
| 3000 m steeplechase | men | women |
| 4×100 m relay | men | women |
| 4×400 m relay | men | women |
| Field events | ||
| Long jump | men | women |
| Triple jump | men | women |
| High jump | men | women |
| Pole vault | men | women |
| Shot put | men | women |
| Discus throw | men | women |
| Javelin throw | men | women |
| Hammer throw | men | women |
| Combined events | ||
| Heptathlon | women | |
| Decathlon | men | |
The Women's 400m event at the 2010 South American Games was held on March 20 at 18:30.
| Gold | Silver | Bronze |
| Bárbara de Oliveira | Yenifer Padilla | Yaneth Largacha |
| Standing records prior to the 2010 South American Games | |||||
|---|---|---|---|---|---|
| World record | Marita Koch | 47.60 | Canberra, Australia | 6 October 1985 | |
| World Leading | Rosemarie Whyte | 52.19 | Kingston, Jamaica | 20 February 2010 | |
| South American record | Ximena Restrepo | 49.64 | Barcelona, Spain | 5 August 1992 | |
| South American U23 record | Ximena Restrepo | 50.14 | Havana, Cuba | 5 August 1991 | |
Results were published. [1] [2] [3]
| Rank | Athlete | Nationality | Reaction | Result | Notes |
|---|---|---|---|---|---|
| Bárbara de Oliveira | 0.211 | 53.38 | |||
| Yenifer Padilla | 0.181 | 54.09 | |||
| Yaneth Largacha | 0.267 | 54.22 | |||
| 4 | María Ayelén Diogo | 0.257 | 56.11 | SB | |
| 5 | Leslie Arnez | 56.13 | SB | ||
| 6 | Cristiane dos Santos Silva | 0.403 | 56.52 | ||
| 7 | Juliana Menéndez | 0.292 | 58.47 | ||
| – | Alison Sánchez | 0.234 | DSQ | † | |
†: Alison Sánchez from
Bolivia was initially 7th in 56.60, but was disqualified, because she was tested positive for nandrolone. [4]