Vingegaard laid the foundations of his victory in the 10th stage
Three team mates of defending champion Jonas Vingegaard crashed when Sepp Kuss hit the spectator's arm and lost his balance.
Belgian Jasper Philipsen took second place with France's Christophe Laporte finishing third, eight seconds behind.Overall, Van Aert leads compatriot Yves Lampaert (Quick Step Alpha Vinyl) by 25 seconds and defending champion Tadej Pogacar (UAE Emirates) by 32.
Slovenian Tadej Pogacar claimed a second successive Tour de France title after Sunday's 21st and final stage, which was won by Belgian Wout van Aert on the Champs Elysees.