Two National Series, One Track, One Sunday

Curvelo hosts NASCAR Brasil and Copa Truck on September 20. One track, one afternoon, two championships.

Two National Series, One Track, One Sunday

On September 20 the same asphalt in Curvelo, Minas Gerais, hosts two national championships on one day: the seventh round of NASCAR Brasil Series and the seventh round of Copa Truck Petrobras.

The venue is the city's international autodrome, better known as the Circuito dos Cristais, about a two-hour drive north of Belo Horizonte. It is the same circuit that opened the Stock Car Pro Series season back on March 8.

What Copa Truck is

It is Brazil's national truck racing championship, and the machinery is the reason it belongs on a page like this one. These are not silhouette cars with a truck shell. They are tractor units, cab-over, running on the kind of chassis that spends its ordinary life pulling freight.

That constraint is the sport. A race car is designed from the tire up to go fast. A racing truck starts as a working vehicle and has to be made to survive doing something it was never built for, which is the same problem every fleet owner has in slower motion.

Where the season stands

The sixth round ran on Sunday, August 23, at the Autódromo Internacional Ayrton Senna in Londrina, in the state of Paraná.

Nic Giaffone took a double podium there and holds the lead in the Elite category, driving a Volkswagen. Raphael Abbate put the Iveco Usual Racing entry on the podium in the same weekend.

That is the shape of the championship going into Curvelo: a leader carrying momentum into the seventh of the season's rounds, on a circuit the series already knows.

Why a truck shop follows truck racing

It is a fair question, and the honest answer is not sponsorship. It is that a race weekend compresses a year of wear into two days and shows you which components complain first.

Brakes. A loaded tractor descending a grade and a racing truck braking from the end of a straight are doing the same physics, which is converting motion into heat and then getting rid of it. Racing finds the limit of a cooling path in an afternoon. On the highway the same weakness takes a year and shows up as fade on a long downgrade.

Cooling. Truck racing is famous for how hard it is on a cooling system, because a heavy vehicle at sustained high load has nowhere to put the heat. Every fleet learns the same lesson in July, on a grade, with a trailer behind.

Tires. A racing truck's tire life is measured in laps, and the reason a set goes off early is almost always the same one that eats a steer tire on the road: the vehicle is not tracking the way the tire was designed to be pushed.

Suspension geometry. A team that cannot keep an axle where it belongs is slow. An operator who cannot keep an axle where it belongs buys rubber. Same failure, different currency.

The doubleheader is the news

Two national series on one day at the same track is not a scheduling accident. It is a paddock decision that gives the audience a full day and gives both series a bigger gate than either would draw alone.

For a viewer in Houston, Dallas or Monterrey the practical note is simpler: if you are going to spend a Sunday watching trucks race, the twentieth of September is the date, because you get two championships for one afternoon.

What to watch if you have never seen a truck race

Start with the corner entry. A racing truck carries most of its weight high and forward, and everything the driver does is negotiated with that fact. The braking zones are long, the entries are patient, and the passes happen where the other truck ran out of front tire.

Then watch the exits. Traction off a slow corner with that much mass is its own skill, and the trucks that look calm on the exit are usually the ones that were set up right on Saturday, not the ones being driven hardest on Sunday.

That is also the closest thing to a lesson the sport hands back to the yard: the truck that behaves is almost always the one somebody set up properly before it left.

We do alignment, suspension and brake work in Houston, Dallas and Monterrey: thetrucksavers.com.

Source: O Tempo, Curvelo's 2026 motorsport calendar