Rookie takeover: Four debutants set to shake up FP1 at the 2026 Barcelona GP

The opening practice session for the 2026 Barcelona-Catalunya Grand Prix is set to look vastly different than usual.

As the paddock unloads at the Circuit de Barcelona-Catalunya, four teams have confirmed they will trigger their young driver mandatory practice slots simultaneously, handing over their multi-million dollar machinery to the stars of the future.

Why teams sacrifice critical track time for rookies

This heavy rotation comes courtesy of F1’s mandatory rookie regulations, which force every team on the grid to surrender their race seats during selected FP1 sessions across the season.

Barcelona serves as the ultimate modern testing ground for this exercise; its punishing blend of sweeping, high-speed curves and tight, technical sectors exposes any flaws in a driver’s technical adaptation.

For team principals, it is the perfect benchmark circuit to stress-test the raw pace, feedback accuracy, and temperament of their academy stars under genuine Grand Prix conditions.

From IndyCar hype to F2 Champions

The most anticipated headline of Friday morning centers around Colton Herta. The American star finally gets his highly awaited taste of a formal Formula 1 Grand Prix weekend, stepping into Sergio Perez’s Cadillac.

Having been linked with the global stage for years, Herta’s technical feedback will be heavily scrutinized as Cadillac looks to recover from their post-race heartbreak in Monaco.

Over at McLaren, reigning Formula 2 Champion Leonardo Fornaroli will make his official weekend debut. The 21-year-old Italian, who secured back-to-back junior titles, will take over Lando Norris’ MCL40 for the hour, marking his first official run under the 2026 technical regulations.

He won’t be the only rookie adaptation on Friday; Frederik Vesti steps into the dominant Mercedes seat of championship leader Kimi Antonelli, while Super Formula racer Luke Browning begins a double-header FP1 program with Williams, taking over Alex Albon’s FW48 before a scheduled repeat appearance in Austria.

With critical data gathering needed for heavy European upgrade packages, these four young drivers will face immense pressure to keep things clean on the demanding Catalan circuit.