The Tour de France is not only a French monument but also the economic heartbeat of professional cycling itself and analysts fear heavy consequences if the coronavirus crisis forces its cancellation.
Tour organizers on Tuesday said it is now impossible for the three-week race to start on June 27 in the Riviera city of Nice as scheduled after French President Emmanuel Macron's announcement on Monday that public events with large crowds were banned until at least mid-July.
France has been under lockdown since March 17, and nearly 15,000 people have died from coronavirus in the country.
"The holding of the Tour de France 2020 on the dates initially announced will not be possible due to the measures that have been enacted to fight the epidemic of Covid-19," a statement e-mailed to the German Press Agency (DPA) said.
"The Tour de France management is working on postponing the event," it said.
It is unclear if cycling’s biggest event will be scrapped from the race calendar. New plans are likely to be announced before the end of the month following consultations with the governing body of cycling.
The "Grande Boucle", as the Tour is known in France, is the central economic pillar which supports the 22 professional teams on the roster for 2020.
"Cancellation opens the door to a possible economic meltdown in the cycling sector," says Jean-Francois Mignot of the French National Centre for Scientific Research, who has written the book "A History of the Tour de France".
Usually, up to 12 million fans line the roads as the Tour makes its way through the French countryside and towns and cities for three weeks every summer.
"It's as simple as this. If the Tour does not take place, teams could disappear, riders and staff alike would find themselves unemployed," said Marc Madiot, the chief of top French outfit Groupama-FDJ.
His team budget is estimated at 20 million euros ($21.8 million) per year and is bankrolled by the state lottery and an insurance company.
Tour rolls on ad revenue
Tour de France organizers Amaury Sport Organization (ASO) paid 2.3 million euros in total prize money on the 2019 edition, won by Ineos' Colombian rider Egan Bernal who picked up a cheque for 500,000 euros.
The Tour rakes in revenue but the giant cost of staging the event, featuring logistics that are as spectacular as any mountainside showdown on two wheels, eat into the margins of all road races.
Sponsors are paying hard cash for the daily hours-long television coverage and even the smallest teams can get involved in a breakaway and hence command screen time.
There are ceremonies every day on the Tour de France for all kinds of prizes – sprinting, climbing, attacking, young riders – where sponsors' names are prominent.
"Most sponsors are in cycling for this reason alone, the whole thing is centered around the Tour de France," Mignot claimed.
"If these sponsors invest money it is because television viewers recognize the team jerseys, it is the only cycling race watched by such a vast audience."
"There are very few other sports with so much riding on one event," explains Bruno Bianzina, the general manager of the agency Sport Market.
Mignot estimated that ASO's Tour revenue has climbed from five million euros in the mid-80s to 50 million today.
Another group, Sporsora, put the turnover for the 2019 Tour de France at 130 million euros.
Some 40-50% comes from sponsors, television rights make up around half, and host regions of the race also contribute around 5%.
This would make up more than half the turnover ASO declared in 2018, which according to Infogreffe.fr was 233.5 million euros.
'Props up cycling'
"The Tour de France props up the whole of cycling, but the Tour needs the rest of the cycling calendar too," says Madiot, a two-time winner of the Paris-Roubaix one-day race.
Even the smallest sponsor pays 250,000 euros to ASO while it is estimated that the yellow jersey sponsor, the LCL bank, pay 10 million euros.
"But it goes much deeper than that because the Tour de France is also a huge advert for France and French tourism," Bianzina says.