Max Verstappen celebrated Red Bull's 400th Formula One race with a fourth win in a row at Imola on Sunday.
Norris last led the standings in April, a gap of 189 days, and had not won a race since Hungary in early August. Sunday was his sixth victory of the season, one less than Piastri, and career 10th.
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.
Norris had shown his pace in final practice when he became the third different driver to top the timesheets in the three sessions, punching out an impressive lap 0.345 faster than anyone else.
Days after the Red Bull driver and partner Kelly Piquet welcomed daughter Lily, his first child, the four-times champion set a blistering lap of one minute 26.204 seconds around the Hard Rock Stadium.
World champion Max Verstappen put Red Bull on pole position for the Saudi Arabian Grand Prix in dramatic style on Saturday.
The reason for doing so was not disclosed in the statement.
Oscar Piastri is looking forward to watching Australia beat England at cricket after a F1 season of highs and lows ended in disappointment on Sunday.
Verstappen crossed the line in his Red Bull for his 64th Grand Prix victory to a huge ovation from the 115,000 crowd some 1.4 seconds ahead of McLaren's championship leader Lando Norris in second place.
George Russell wins F1's Singapore GP as McLaren secures constructors' title
Max Verstappen was surprised by his Red Bull car's performance as the F1 defending champion took third place in qualifying for the season-opening race.
World champion Max Verstappen took pole position for the Japanese Grand Prix on Saturday, stunning the McLarens with a late flying lap.
McLaren's Lando Norris swept to victory in a wet and wild Australian Grand Prix on Sunday, holding off defending champion Max Verstappen in a white-knuckle finish to a Formula One season-opener littered with crashes and safety cars.
Bernie Ecclestone says his money is still on Red Bull's Max Verstappen to win the Formula One championship
Lando Norris stretched his Formula One championship lead to nine points after winning Saturday's Sao Paulo sprint while McLaren teammate and title rival Oscar Piastri crashed in a big blow to the Australian's bid to get back on top.
'I find it ridiculous what happened, so why should I then give full answers?'
Rwandan President Paul Kagame joined Max Verstappen on stage when the Red Bull driver collected the F1 champion's trophy for the fourth year in a row.
Oscar Piastri won the Dutch Grand Prix to take a mighty 34 point lead in the Formula One championship on Sunday as McLaren teammate and title rival Lando Norris saw his hopes go up in smoke.
In the constructors' standings, Ferrari closed the gap to McLaren to 24 points.
Dutch driver Verstappen won his fourth successive title with Red Bull in Las Vegas last month.
Red Bull's Max Verstappen won the Qatar Grand Prix on Sunday with the battle for the constructor's title going down to next weekend's Abu Dhabi season-ender
Red Bull's Max Verstappen dealt Lando Norris a shattering blow in their Formula One title battle by winning a wet and chaotic Sao Paulo Grand Prix from 17th on the grid.
Lando Norris completed a Hungarian Grand Prix practice double on Friday as runaway leaders McLaren dominated both sessions while leaving something in reserve and almost colliding at the end.
Red Bull make changes to car after discussions with FIA
McLaren's Lando Norris edged out championship-leading teammate and Formula One title rival Oscar Piastri to take pole position for what could be a wet and chaotic Belgian Grand Prix on Sunday.
Red Bull's reigning champion Max Verstappen will join the Australian on the front row.
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.
The win was a first for Ferrari in Mexico since 1990 and fourth of Carlos Sainz's career.
Red Bull's Verstappen, who had been on pole at Zandvoort every year since the circuit returned in 2021 and has yet to be beaten there, will still line up alongside the Briton on the front row.
Leclerc brought out the red flags when he hit the wall at the second chicane with 45 minutes remaining, causing extensive damage to his Ferrari.
Verstappen collided with Leclerc and twice with Mercedes' George Russell after the safety car restart.
Max Verstappen held off a late charge by McLaren's Lando Norris to win the Emilia Romagna Grand Prix
Christian Horner was the longest-serving team principal, having been in the position since Red Bull made its Formula One debut in 2005.
McLaren's Lando Norris hailed the best qualifying lap of his career after beating F1 leader Max Verstappen to pole position at the US Grand Prix.
Charles Leclerc stunned favourites McLaren by seizing pole position at the Hungarian Grand Prix on Saturday as Ferrari teammate Lewis Hamilton described himself as useless and suggested he should be replaced.
Max Verstappen, who could seal his fourth successive championship on Saturday, will line up fifth on the starting grid
Verstappen, who had started alongside Norris on the front row, was leading by lap three and could then build a buffer and take control.
Red Bull's Max Verstappen equalled Ayrton Senna's record of eight pole positions in a row.
Lando Norris held off McLaren teammate Oscar Piastri to win the Hungarian Grand Prix on a one-stop strategy and slash the Australian's Formula One lead to nine points going into the August break.
The Dutchman's run of nine successive wins was snapped as he broke down on lap four with a brake problem.