Belen Tavella and Franco Greggi, also from Argentina led the south course with the exact same finishes. The French team of Gael Jaffrezic and Julien Bloyet are third with Argentine team Gonzalo Pollitzer and Jose Maria Diez fourth and fellow countrymen Juan Krevisky and Billy Lopez Segura rounding out the top five.
Racing continues on Tuesday 4 January with two more days of the qualifying series followed by three days of the final series. The prizegiving will be held on Saturday 8 January.
Live reports and daily results: www.29erworlds.org
Facebook: 29er Worlds 2011.