Athletics at the 2010 South American Games – Women's 4 x 400m relay

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
20,000m walk	men	women
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	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 4x400m Relay event at the 2010 South American Games was held on March 23 at 18:55.

Medalists

Gold	Silver	Bronze
Yaneth Largacha María Alejandra Idrobo Marcela Cuesta Yenifer Padilla Colombia	Barbara Leoncio Elaine Paixão Ana Claudia Silva Barbara de Oliveira Brazil	María Ayelén Diogo Agustina Zerboni Juliana Menéndez María Florencia Lamboglia Argentina

Standing records prior to the 2010 South American Games
World record	Soviet Union	3:15.17	Seoul, South Korea	1 October 1988
World Leading	University of Technology (JAM)	3:36.21	Kingston, Jamaica	27 February 2010
South American record	Brazil	3:26.82	Helsinki, Finland	13 August 2005
South American U23 record	Brazil	3:40.05	Barquisimeto, Venezuela	27 June 2004

Results were published.^[1]^[2]^[3]

Rank	Athlete	Nationality	Reaction	Result	Notes
	Yaneth Largacha María Alejandra Idrobo Marcela Cuesta Yenifer Padilla	Colombia	0.388	3:40.09
	Barbara Leoncio Elaine Paixão Ana Claudia Silva Barbara de Oliveira	Brazil	0.294	3:40.68
	María Ayelén Diogo Agustina Zerboni Juliana Menéndez María Florencia Lamboglia	Argentina	0.260	3:51.74
–	Carla Cavero Alison Sánchez Marysabel Romero Leslie Arnez	Bolivia	0.219	DSQ	^†

^†: Bolivia was initially 3rd in 3:51.04, but disqualified, because Alison Sánchez was tested positive for nandrolone.^[4]