| DATE AND YEAR | MEN'S WINNER | TIME | WOMEN'S WINNER | TIME
|
| December 3, 2006
| Image:Flag of Argentina.svg Raúl González (ARG)
| 2:39:07
| Image:Flag of Argentina.svg Laura Aspiroz (ARG)
| 3:18:00
|
| December 4, 2005
| Image:Flag of Argentina.svg Sergio Palma (ARG)
| 2:32:09
| Image:Flag of Argentina.svg Alejandra Calcagno (ARG)
| 3:16:22
|
| December 5, 2004
| Image:Flag of Argentina.svg Manuel Méndez (ARG)
| 2:42:49
| Image:Flag of Argentina.svg Andrea Virasoro (ARG)
| 3:24:13
|
| December 7, 2003
| Image:Flag of Argentina.svg Manuel Méndez (ARG)
| 2:41:24
| Image:Flag of Argentina.svg Soledad Virasoro (ARG)
| 3:35:53
|
| December 8, 2002
| Image:Flag of Argentina.svg Claudio Burgos (ARG)
| 2:28:43
| Image:Flag of Argentina.svg Leonor Crundall (ARG)
| 3:17:40
|
| December 9, 2001
| Image:Flag of Uruguay.svg Waldemar Cotelo (URU)
| 2:24:01
| Image:Flag of Argentina.svg Leonor Crundall (ARG)
| 3:16:01
|
| December 10, 2000
| Image:Flag of Argentina.svg Cristian Malgioglio (ARG)
| 2:37:16
| Image:Flag of Argentina.svg Roxana Preussler (ARG)
| 3:00:27
|
| December 5, 1999
| Image:Flag of Argentina.svg Oscar Alarcón (ARG)
| 2:22:58
| Image:Flag of Argentina.svg Roxana Preussler (ARG)
| 3:12:28
|
| December 6, 1998
| Image:Flag of Argentina.svg Tranquilino Valenzuela (ARG)
| 2:21:15
| Image:Flag of Argentina.svg Lilia Gamboa (ARG)
| 3:17:41
|
| December 7, 1997
| Image:Flag of Argentina.svg Rubén Coria (ARG)
| 2:26:47
| Image:Flag of Argentina.svg María Teresa Aguerre (ARG)
| 2:59:11
|
| December 1, 1996
| Image:Flag of Argentina.svg Toribio Gutiérrez (ARG)
| 2:28:42
| Image:Flag of Argentina.svg Lilia Gamboa (ARG)
| 3:10:35
|
| December 3, 1995
| Image:Flag of Argentina.svg Carlos Daniel López (ARG)
| 2:32:29
| Image:Flag of Argentina.svg Elsa Guevara (ARG)
| 3:13:02
|
| December 11, 1994
| Image:Flag of Argentina.svg Daniel Pardo (ARG)
| 2:33:40
| Image:Flag of Peru.svg Epifania Carhuas (PER)
| 3:23:11
|
| December 5, 1993
| Image:Flag of Brazil.svg Valmir de Carvalho (BRA)
| 2:19:49
| Image:Flag of Brazil.svg Nercy da Freitas (BRA)
| 2:48:32
|
| November 29, 1992
| Image:Flag of Argentina.svg Hipólito Cardozo (ARG)
| 2:33:48
| Image:Flag of Peru.svg Epifania Carhuas (PER)
| 3:09:01
|
| November 24, 1991
| Image:Flag of Argentina.svg Carlos Edgar Barria (ARG)
| 2:29:15
| Image:Flag of Argentina.svg Mirta Rodríguez (ARG)
| 3:28:12
|
| November 18, 1990
| Image:Flag of Argentina.svg Carlos Edgar Barria (ARG)
| 2:21:47
| Image:Flag of Argentina.svg Nélida Olivet (ARG)
| 2:55:43
|
| December 10, 1989
| Image:Flag of Argentina.svg Toribio Gutiérrez (ARG)
| 2:19:41
| Image:Flag of Argentina.svg Nélida Olivet (ARG)
| 2:54:50
|
| December 11, 1988
| Image:Flag of Argentina.svg Rubén Aguiar (ARG)
| 2:23:54
| Image:Flag of Argentina.svg Nélida Olivet (ARG)
| 3:11:34
|
| December 13, 1987
| Image:Flag of Argentina.svg Toribio Gutiérrez (ARG)
| 2:22:05
| Image:Flag of Argentina.svg Norma Fernández (ARG)
| 2:59:18
|
