The Porsche C6 Bank Mastercard Endurance Challenge opened its championship in style at The Río Hondo Termas with the decision to win in the final stint, after a triple contest involving Guilherme Salas, Werner Neugebauer and Christian Hahn. They received the flag of the 300 km race in this order, a position ahead of car #3, rubens Barrichello and Franco Giaffone, the winners in Carrera Sport.

With the new score attributed to the end of the first segment, the lead was with the duo formed by Hahn and Diego Nunes with the car #26.

The victory in the Carrera Rookie fell to The Porsche #87, by Nelson Monteiro and Alan Hellmeister. The duo of #199, Nelson Marcondes and Renan Guerra, lifted the victory in the Challenge. For Challenge Sport the winner was the #777 car by Josimar Junior and Sergio Ramalho, while the triumph in the Challenge Rookie was #66, debutant Sadak Leite in pairs with Fabio Carbone.

Enzo Elias was also one of the highlights of the day, with the right to double record breaking with the most produced race car on the planet in the modern Argentine racetrack.

Early in the race, contact between the front row cars caused pole Dennis Dirani and Rafael Suzuki to lose many positions. Lineu Pires was the biggest beneficiary of the entrevero, advancing from fifth on the grid to the lead with #888.

The top5 was completed by Diego Nunes, Rodrigo Mello, Danilo Dirani and Rouman Ziemkiewicz. For the Sprint Challenge, car #199 took the lead to take pole position and led with 20th place overall.

On the third lap, Diego Nunes attacked Lineu for the lead after making a paired half-back. Another that stood out at that time of the race was the #73, Enzo Elias, occupying sixth place after starting in 16th place.

The Porsche #26 appeared in the first place when the safety car was activated to rescue the cars of Luiz Razia and Ricardo Fontanari, who had had contact.

On lap 7 came the restart, with beautiful dispute between Enzo Elias, Danilo Dirani and Jeff Giassi. Enzo prevailed and immediately also passed by Mello to be third. On the tenth lap, it was the turn of #888 to be surpassed by #73. In this same spin, Franco Giaffone brought the #3 to open the pit sway, changing the riding with Rubens Barrichello.

Enzo caught up with Diego on lap 15 and opened the scoring from the edge of the area. Lineu was third, with Giassi and Cesar Ramos completing the top5. In the Challenge, the lead was #555, driven by Sergio Jimenez in the first stint.

On lap 19, Enzo passed Diego to be the leader, and the #26 entered the next box. Enzo followed on the track until lap 27.

With everyone having served their first pit, #73 returned to the lead with Adroaldo Weisheimer. Chris Hahn was second, with Beto Gresse, Barrichello and Nicolas Costa rounding out the top5.

On lap 29, Adroaldo lost positions to Hahn and Gresse. Barrichello took the Porsche #3 to the second pit on the same lap.

The end of the first segment came in the 32nd pass, with hahn's lead, followed by Gresse, Costa, Piquet and Salas. The #888 led in the Carrera Rookie and the #80, with Gabriel Casagrande in seventh, was the best in Carrera Sport. By the Challenge class the leader was #199. The #66, by Sadak Leite and Fabio Carobne, accumulated the lead in Challenge Sport and Rookie.

Hahn entered the box on lap 37, as well as Piquet, who was third. The lead was with Porsche #1, which came with Guilherme Salas.

With 20 laps to go, #1 was on the track, ahead of #73 and #16 -all with only one mandatory pit-stop held. Among those who had completed two stops, the best placed was #26, with Diego Nunes in tenth. Soon after came the #888, with Lineu Pires, #99, with Jeff Giassi and #8, with Ricardo Zonta. On lap 45, Zonta passed Giassi and Lineu.

After the second pit window, Hahn led on lap 48. In this order, Feldmann, Zonta, Giaffone and Mello completed the top5.

With 13 laps to go, the safety car was activated again to rescue car #74, standing at a risk site outside the track. The pointers all entered the pits for the final stop.

After a lap only under yellow flag, the race was resumed at normal pace. On the track the battle that was worth the lead was between cars #26 and #8, with Christian Hahn and Werner Neugebauer respectively. Salas came out of the box just behind Werner, so the contest for the lead involved three riders separated by just 1,793s with 10 laps left.

On lap 53 Werner passed Hahn, with lateral contact between the cars. The #26 gave back three curves later. Two passages later, again Hahn and Werner exchanged ink, this time with #8 prevailing. Gui Salas took advantage and advanced to second place at the entrance of the main straight. Barrichello and Salles completed the top 5, vying for victory at Carrera Sport. The leader in The Carrera Rookie was #87, by Nelson Monteiro.

On lap 58, Werner widened the trajectory at turn 1 and left the door open for Salas to advance to the lead. And he took it quietly to the end, safely negotiating overtaking over the stragglers. Werner received the flag in second, Hahn in third. In fourth place, Rubens Barrichello won the Carrera Sport, with #99 rounding out the top5. Alan Hellmeister closed out eighth, winning at Carrera Rookie.

In 23rd place, #199 won the Challenge. Two positions behind came the #777, by Josimar Junior and Sergio Ramalho, to win the Challenge Sport. Just behind came #66, with Sadak Leite and Fabio Carbone, winners in the Rookie Challenge.