The Desafio Internacional das Estrelas ("International Challenge of the Stars" in Portuguese) is an annual charity kart race organised by Felipe Massa since 2005. The first edition was held on Kartódromo Toca da Coruja on Bauru. For 2006 at 2008 the challenge was moved to Kartódromo dos Ingleses on Florianópolis and since 2009 at Arena Sapiens Park, also at Florianópolis.
Pole position for race 1 race wins 2 points, at the end of two races, to ensure that the driver the score for their finishing position, he must complete a minimum of 75% of the laps completed by the leader. In the event of a tie, is used as tiebreaker the result obtained in first race.