[1] At national level, Duendes is also the most winning team from Rosario, having won the Nacional de Clubes title twice, in 2004 and 2009.

In 2009 Duendes won the inaugural Torneo del Interior, the national competition for clubs not from Buenos Aires.

As winners of this tournament, the team qualified directly to the semi-finals of the overhauled Nacional de Clubes.

In November 2011, Duendes won its first Nacional de Clubes championship, defeating La Tablada 26-23 in the final match.

The MVP was the fly-half Mateo Escalante, the game's top scorer with 16 points converted with 100% accuracy.