Pogacar, who celebrates his 22nd birthday on Monday, is the youngest winner since 1904, sealing his triumph with a sensational performance in the mountain time trial on the penultimate stage.
Until then it had looked as if his compatriot and long-time leader Primoz Roglic would claim the yellow jersey, but in a remarkable reversal it was Pogacar who won the stage and took the race lead by 59 seconds.
Sunday’s 21st stage is by tradition a processional affair, with no attempts at breakaways until the concluding eight circuits around the French capital commence.
Pogacar stayed safely on his bike to cross the line in triumph with his UAE Team Emirates teammates as the stage was brilliantly won by green jersey winner Sam Bennett of Ireland, his second stage win of the 2020 Tour.
Bennett, riding in his third Tour, usurped Slovakia’s Peter Sagan, a seven-time winner, to top the points classification.
Not only did he claim the yellow jersey, Pogacar also sealed the polka dot King of the Mountains prize and won the category for best young rider in his first attempt at the Tour.
Roglic, who had led since the ninth stage with his powerful Jumbo-Visma team in support, had to settle for second overall, with Australian veteran Richie Porte taking the final place on the podium.
With the global pandemic causing the race to be moved from its traditional July slot, there were doubts that it would even be completed with strict hygiene measures in place and mandatory coronavirus testing for riders and their team connections.
Spectators were also limited in finishing areas, with only 5,000 allowed into the post-race podium area in Paris usually filled by many thousands more.