Isabel Clark Ribeiro, a snowboarder, carried the flag at the opening ceremonies. Clark is also the Brazilian athlete who achieved the best result in the Brazilian delegation, making it to the quarterfinals in women's snowboard cross, finishing ninth overall. The substitute on the Bobsleigh team, Claudinei Quirino, was a silver medalist in the Summer Olympic Games, where he finished second in Sydney with the Brazilian 4 × 100 m relay team. By participating in the Winter Games, Quirino became the second Brazilian man to have participated in both the Summer and Winter Games (the first was Matheus Inocêncio, who participated in Salt Lake 2002 and Athens 2004). On the women's side, Jaqueline Mourão became the first woman to have achieved this feat: she had participated in the mountain bike competition of Athens 2004 and in Turin 2006, she took part in the 10 km classical. On 22 February, the Brazilian Olympic Committee announced, in Rio de Janeiro, that alpine skier Nikolai Hentsch was to be the flag bearer for Brazil at the closing ceremonies of the Winter Games. For the closing ceremony, all the nine athletes participating in the Games remained in Turin. The Brazilians were seated by the organization in a privileged spot: in the first row immediately behind the podium where IOC president Jacques Rogge and the president of the Turin 2006 Organizing Committee, Valentino Castellani, delivered their speeches. Alpine skiing Nikolai Hentsch competed in four of the five alpine skiing events, and had the Brazilian alpine team's best finish, placing 30th in the giant slalom. Note: In the men's combined, run 1 is the downhill, and runs 2 and 3 are the slalom. In the women's combined, run 1 and 2 are the slalom, and run 3 the downhill. Bobsleigh On 13 February, the Brazilian Olympic Committee announced that Armando dos Santos' preventive antidoping test, which had been done in Brazil on 4 January, was positive for the forbidden substance nandrolone. Santos was ejected from the team, being replaced by former sprinter Claudinei Quirino, the team's substitute athlete. On 18 February, the Australian Olympic Committee filed a request with the International Olympic Committee, claiming that the qualification of the Brazilian team to the Olympics was invalid, and thus the Brazilian team should not be allowed to compete. The claim of the Australian Committee revolved around the circumstances of the qualification: the Brazilians earned their spot in the