New cars, new engines, change in qualifying, one rookie are among the many updates from the 2026 F1 season.
Australian Piastri, winner of four of the last five races, lapped the Imola circuit with a fastest time of one minute 16.545 seconds on the softest tyre compound with Norris 0.032 slower on a sunny afternoon.
Here's a look at some key moments which helped decide the championship fight.
Max Verstappen celebrated Red Bull's 400th Formula One race with a fourth win in a row at Imola on Sunday.
Verstappen starts new Red Bull era with Spa sprint win
Max Verstappen held off a late charge by McLaren's Lando Norris to win the Emilia Romagna Grand Prix
Red Bull boss Christian Horner said the 2025 F1 season was turning into a two-horse race between the McLaren drivers after his team had a home Austrian Grand Prix to forget on Sunday.
Aston Martin's Lance Stroll collected a one-place grid drop for Sunday's race after stewards ruled the Canadian was to blame for the collision with Leclerc running into him at the hairpin.
Four-time world champion Verstappen said he understood, with Monza having a contract to 2031 for the Italian Grand Prix, but also felt the loss.
Formula One will have two races in Spain next season with Madrid's new street circuit making its debut in September and Italy's Imola dropping off the 24-round calendar, F1 and the governing FIA announced on Tuesday.
Formula One leader Oscar Piastri put his McLaren on pole position for the Emilia Romagna Grand Prix at Imola on Saturday
Carlos Alcaraz had little trouble dismantling Jannik Sinner in the Italian Open final, to snap the world number one's 26-match winning streak.
It was the first time in seven races that Ferrari had failed to get at least one of their cars into the top 10.
India's Jehan Daruvala finished a creditable second in the sprint race of the Formula 2 Championships in Imola on Saturday
Past races at Imola have been designated the San Marino Grand Prix but last year's, the first at the circuit since 2006, was called the Emilia Romagna Grand Prix after the surrounding region.
Red Bull's Max Verstappen qualified third, after a power unit scare in the second phase sent mechanics scrambling to fix his car, with AlphaTauri's Pierre Gasly a stunning fourth on the grid.
Leclerc had seized the lead at the start, and held it through an initial safety car period, before Verstappen made up for his poor getaway and passed the Monegasque -- whose tyres were fading fast -- with a late move around the outside.
The six times world champion took the chequered flag at Imola 5.783 seconds ahead of team mate Valtteri Bottas, who started on pole position.
F1 fans remember Formula One legend Ayrton Senna da Silva on his 30th death anniversary, May 1 2024.
Red Bull's Max Verstappen won a chaotic and crash-halted Emilia Romagna Grand Prix at Imola on Sunday with Lewis Hamilton second for Mercedes and retaining the lead in the championship by a single point.
Italy's Imola circuit will host grands prix for at least another five years, local officials said on Monday after meeting Formula One supremo Bernie Ecclestone.
Formula One supremo Bernie Ecclestone said earlier in the year that the circuit near Bologna, which is looking for government funding to upgrade the facilities, would be making its final appearance on the calendar this season.
Verstappen goes into the Formula One record books as the pole setter for the weekend, however, regardless of where he starts on Sunday.
World champion Max Verstappen took maximum points from Formula One's Imola sprint weekend, leading a Red Bull one-two on Sunday as Ferrari's homecoming turned sour for overall leader Charles Leclerc and his Italian team.
Michael Schumacher of Germany, driving a Ferrari, has won the San Marino Formula One Grand Prix.
Ferrari said Schumacher lapped the Italian circuit named after team founder Enzo Ferrari and son Dino in one minute 19.664 seconds.
Ferrari's Michael Schumacher says his victory in last month's San Marino Grand Prix was no flash in the pan.
San Marino Grand Prix organisers remained hopeful on Tuesday that they would have a Formula One race next year despite it being left off the 2007 calendar.
A Ferrari Testarossa sports car stolen from Austrian Formula One driver Gerhard Berger during the 1995 San Marino Grand Prix weekend has been recovered by London police almost 29 years later.
Red Bull's Max Verstappen equalled Ayrton Senna's record of eight pole positions in a row.
BMW's Nick Heidfeld believes F1's return to Europe could force re-writing of the early-season form book
'The beginning of the European season should coincide with the start of our drive for the world title,' said the seven-time world champion.
Sunday's Formula One Grand Prix in Imola, which is close to many of the worst-hit areas, was called off in an effort to relieve pressure on emergency services and prevent motor racing fans from converging on the inundated region.
Formula One will have a record 24 Grands Prix in 2024 with China back on the calendar after a five-year absence.
Formula One will have a record 24 races in the season that starts in Bahrain on Saturday.
Miami makes its debut in May while Qatar drops off for a year due to hosting the football World Cup and China is still missing due to COVID-19 restrictions.
Max Verstappen won the Miami Grand Prix from ninth on the starting grid with a masterful display of tyre management on Sunday.
Formula One will have a record 24 races next season with Las Vegas making its floodlit debut in November and Monaco signing a new deal to secure its place on the calendar until at least 2025.