What the rookie rule means, who steps in, and why Barcelona is the place to do it

When first practice begins in Barcelona on Friday, seven of the championship’s regular drivers will be watching from the garage. It is not a crisis, just the calendar’s quietest rule finally coming due.

The names sitting out read like a team-photo roll call. Lewis Hamilton, Kimi Antonelli and reigning world champion Lando Norris all step aside for the opening hour, alongside Isack Hadjar, Alex Albon, Nico Hulkenberg and Sergio Perez. In their place come seven young drivers, each handed an hour in machinery most of them rarely get near.

The reason is FIA housekeeping rather than drama. Each team must hand one of its cars to a rookie, defined as a driver who has started no more than two grands prix, across two practice sessions a season, which works out to four such outings per team over the year. Teams pick when to take the hit, and most have chosen Barcelona at once.

The circuit makes the choice easy. The Circuit de Barcelona-Catalunya has hosted Formula 1 since 1991 and has served for decades as a testing base and a junior-series venue, so teams hold more data on it than almost anywhere. A rookie’s unfamiliar hour costs less here than at a track engineers are still learning, and the drivers losing the time are giving up the least valuable practice running of any weekend.

Two of the seven will be appearing at a grand prix weekend for the first time. Colton Herta, the IndyCar race winner who switched to Formula 2 this year to chase superlicence points, takes over Perez’s Cadillac, while Leonardo Fornaroli, the reigning Formula 2 champion, slots into Norris’s McLaren. Frederik Vesti drives Antonelli’s Mercedes, Dino Beganovic takes Hamilton’s Ferrari, Ayumu Iwasa replaces Hadjar at Red Bull, Luke Browning returns to Williams for Albon, and Paul Aron runs the Audi in Hulkenberg’s place.

There is a competitive calculation underneath the goodwill. Teams have often delayed these sessions until their championship positions feel secure, because an hour lost can shape the rest of a weekend. Doing it now, at a venue everyone understands inside out, keeps the damage minimal while satisfying a rule built to give the next generation real mileage rather than simulator laps. The requirement mirrors the one that ran in 2025.

The timing carries an edge of its own. Antonelli arrives in Barcelona on five straight wins and a 66-point lead over Hamilton, and Mercedes will not want their man losing rhythm even briefly at a track that punishes the smallest imbalance. Barcelona’s mix of high-speed corners and long, demanding sequences has long been treated as a complete test of a car, and the new, softer tyre compounds hand the rookies and their engineers one more variable to read in a single hour.

For the seven young drivers, the prize is simple: a verified hour in a current car, in front of the people who decide who races next. For Herta and Fornaroli especially, it is a first real audition on a grand prix weekend. The headline names will be back in their cars by the afternoon. The morning belongs to the drivers trying to take their seats one day.

Thumbnail: By courtesy of Pirelli