A Grand Prix that features on the 2024 calendar is under 'serious threat' of being replaced as early as next year, according to a new report.
The FIA are actively discussing proposals from several countries to be added to the calendar in the coming seasons.
Motorsport.com revealed earlier this month that Rwanda had put forward a 'serious' proposal to host an F1 Grand Prix on a new permanent circuit.
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Top motorsport officials from the country are said to have held talks with the FIA at the Monaco Grand Prix, and will do so again in September. F1 hasn't raced in Africa since the 1993 South African Grand Prix.
Now, according to BBC Sport's Andrew Benson, Thailand is 'under serious consideration' to host a Grand Prix.
The Southeast Asian country has never hosted a Grand Prix, although does have an active F1 driver in Alex Albon. Albon was born in London to a Thai mother, and chose to represent the nation in F1.
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The other country reportedly keen on being added to the calendar is South Korea.
The Korean Grand Prix was previously held at the Yeongnam International Circuit between 2010 and 2013, but was cancelled due to contractual and financial issues.
Benson claims that a surprise candidate to be taken off the calendar entirely is the popular Canadian Grand Prix, which is held in Montreal.
He writes: "Canada is under serious threat even for next year because the organisation is considered to have fallen below standards in recent years, and Montreal is under pressure to improve that."
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The Canadian Grand Prix has been a part of the F1 World Championship since 1967, although did not feature in 1975, 1984 and 2009.
It was also off the calendar in 2020 and 2021 due to the COVID-19 pandemic, but aside from that has been a consistent part of the schedule.
It has been held since 1978 on the Circuit Gilles Villeneuve, which was renamed in 1982 following the death of the Ferrari driver in a qualifying crash in Zolder earlier that year.
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While it has always been a popular venue among fans, drivers and key figures in F1, it has come under growing criticism in recent years.
Sky F1 commentator Martin Brundle called the Grand Prix a 'logistical mess' following F1's visit to Montreal earlier in the 2024 season.
He wrote: "I've been visiting the Canadian GP in Montreal since 1984. This year was undoubtedly the least enjoyable in terms of the venue.
"The popularity and scale of today's F1 has outgrown the facilities, and the rain turning accesses into mud didn't help.
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"The police and security appeared increasingly aggressive and unhelpful to boot. It was a logistical mess."
Topics: Formula 1
Ryan Smart