Over the weekend there'll be more than 10,000 cars at the Silverstone Classic festival.
And they won't just be racing: they'll be sold as well. Bosses are predicting sales of the classic cars will almost hit £6.5 million.
Silverstone Classic is a case of business and sport working together.
Matt Hudson has been looking back to where it all began - click below to watch the full report
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Some behind the scenes snaps of a slightly soggy Anglia team. They're braving the rain to bring you full coverage of the day's events at the Silverstone Classic tonight at 6.
At the moment the team's still smiling - in spite of the adverse weather conditions.
Our reporter Sarah Cooper takes a ride on the big wheel
Just 11 crimes have been recorded so far during the British Grand Prix at Silverstone say Northamptonshire police.
They have mainly been for things like theft from cars and tents and some cases of ticket fraud.
100,000 people were at Silverstone yesterday and 140,000 are expected today for race day.
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It's been announced that the Silverstone circuit in Northamptonshire will not host next year's motorcycle Grand Prix.
Thousands of fans were at Silverstone last weekend for the British MotoGP - the fifth year it had been held there.
MotoGP organisers have signed a deal to stage the event at a new circuit in Wales, which has not been built yet. So it's been agreed that next year's race will be at Donington Park in Leicestershire.
Police have increased their patrols at the MotoGP British Grand Prix at Silverstone this weekend as a result of the increased terror threat nationally - but have stressed there is no specific threat to the event.
A spokesman said there would be more officers and they would be more visible as they carried out checks both at the circuit and at campsites.
Visitors to the site were urged to be vigilant and report any suspicious activity as soon as possible.
"You will be aware that, in the past 24 hours, the Home Secretary has raised the threat level to the UK from international terrorism to Severe, meaning an attack is highly likely - this applies to the UK as a whole not a specific area.
"Please be reassured there is no specific threat, however, security and policing at the event will be enhanced and more visible, and race goers will see an increase in security and policing presence during the weekend."
Bosses at Silverstone racing circuit said they were disappointed to have lost the MotoGP British Grand Prix - but that extending their contract did not make financial sense.
The circuit said it had invested heavily to develop its site specifically to host both the Moto GP championships and Formula 1 and had helped to make the series a successful event.
But Richard Phillips, managing director of Silverstone Circuits Limited, said it could not come to an agreeing with the Dorna, the event's rights holders.
“We have expressed our desire to keep MotoGPTM at Silverstone, but the event is not sustainable at the fee level Dorna was proposing.
"Any future deal had to make economic sense and sadly we reached an impasse. The Circuit of Wales obviously believes it can make the finances work.”
But the circuit has not rule out hosting the British Grand Prix next year while the event waits for the Circuit of Wales to be completed.
"A venue for 2015 needs to be agreed as soon as possible to avoid having a negative impact on the success of next year’s British Grand Prix.
"Silverstone remains the ideal venue to stage MotoGP.
"Last year’s record crowds are testament to the excellent British Grand Prix experience provided by Silverstone."
Silverstone has lost the contract to host the British Grand Prix of the MotoGP.
The event will take place at the Northamptonshire circuit next month.
But now a five-year deal has been signed to hold future meetings at the not-yet-built Circuit of Wales, which will be near Ebbw Vale in South Wales.
It will host its inaugural event in 2016 with MotoGP's official website suggesting next year's British Grand Prix could take place at yet another venue.
Since the beginning of the British motorcycle Grand Prix in 1977, only the courses at Donington and Silverstone have been used.
Silverstone has come to the end of its own five-year deal.
The Circuit of Wales could have its contract extended by a further five years if the deal proves to be a success, meaning Silverstone would have to wait until 2024 to bid again for the event.