The Malaysian Grand Prix could make a surprise return to the Formula 1 calendar later this season as the sport explores alternatives amid growing doubts over staging a race in Bahrain.
The Bahrain and Saudi Arabian Grands Prix, originally scheduled for April, were postponed because of conflict in the region.
While there had been optimism that Bahrain could be rescheduled, the latest developments have cast fresh uncertainty over those plans.
Several replacement venues are now under consideration, with Sepang understood to be among the leading options should Bahrain ultimately be unable to host a race.
Sepang among leading replacement options
Malaysia last staged a Formula 1 Grand Prix in 2017, but the Sepang International Circuit has remained active on the MotoGP calendar and continues to meet the FIA's highest circuit standards.
A potential return could see the race slotted into the schedule between the Azerbaijan Grand Prix in Baku on September 26 and the Singapore Grand Prix on October 11.
Japan's Suzuka Circuit has also been discussed as a possible alternative. However, there is reportedly less enthusiasm among teams to revisit the venue after it has already hosted a race this season.
Formula 1 awaits key scheduling decisions
The final two races of the current Formula 1 season remain scheduled for Qatar and Abu Dhabi in late November and early December, although uncertainty still surrounds events in the Middle East.
Because of the sport's complex logistics, any decision regarding a replacement for Bahrain is expected before Formula 1's summer shutdown, which begins after this weekend's Hungarian Grand Prix.
Attention is also focused on the FIA World Motor Sport Council, which is expected to vote on the postponed World Endurance Championship rounds in Bahrain and Qatar.
Those events are widely expected to be moved to European venues, with Formula 1 believed to be waiting for the outcome before finalising its own plans.
Portugal's Portimao circuit has also emerged as a potential option. The Algarve venue, which is already due to return to the Formula 1 calendar next season under a two-year agreement, is considered one of the few European circuits capable of hosting a race during the winter thanks to its milder climate.
Formula 1 had originally planned a 24-race calendar for the 2026 season. If replacement events are confirmed, the championship is expected to feature between 22 and 23 races, helping the sport fulfil its commercial and broadcast commitments.
