This 29 June 2020 video says about itself:
Official Virtual Tour de France 2020 – Cycling Race | Zwift
The Virtual Tour de France is coming to Zwift. The top men’s and women’s teams from across the world will compete for the ultimate prize. With Virtual L’Etape du Tour rides on new courses and high octane pro races to watch, this is cycling history in the making. #TDFVirtual
Watch the world’s best Zwift racers take on some ‘first-ever’ courses in the new France and Paris maps. Women and men pros are racing on Saturday and Sunday for three consecutive weekends beginning July 4th.
23 men’s teams and 17 women’s teams will participate.
Among the male participants will be former Tour de France winners Chris Froome, Egan Bernal, and Geraint Thomas. Greg Van Avermaet, Olympic champion and online Tour of Flanders victor this year, will also participate. Among the women, there will be Marianne Vos, Kirsten Wild, Olympic champion and 2018 world champion Anna van der Breggen, all from the Netherlands; and Chloé Dygert-Owen, from the USA, track cycling pursuit world champion.
The cyclists will ride on their home trainers at home. So, no coronavirus risk.
This virtual Tour de France will be six races, during the next three weekends. The start will be on 4 July: first the ladies, then the gentlemen. Both on a virtual hilly landscape based on the surroundings of Nice city in southern France.
The fifth stage will be climbing the famous Mont Ventoux mountain.
The sixth and final stage will be on the Champs Elysees in Paris.
TV stations in 130 countries will report about it.
Alé BTC Ljubljana
Boels-Dolmans Cycling Team
Ceratizit – WNT Pro Cycling
FDJ Nouvelle-Aquitaine Futuroscope
Lotto Soudal Ladies
TIBCO-Silicon Valley Bank
TWENTY20 Pro Cycling
Valcar Travel & Service
AG2R La Mondiale
Astana Pro Team
B&B Hotels-Vital Concept
Team Bahrain McLaren
Deceuninck – Quick-Step
EF Education First Pro Cycling
Israel Start-Up Nation
NTT Pro Cycling
TOTAL Direct Énergie