This year's route, the highest in race history with five summit finishes — including three stages finishing above 2000m and only 54km of time trialing — gave natural-born climber Bernal a golden opportunity.
Unlike Bradley Wiggins, Froome and Geraint Thomas — the three other riders who won the Tour for the British outfit Ineos — Bernal is not a race-against-the-clock specialist. He has built his success on consistent performances in the Pyrenees and a tremendous attack in the Alps after losing ground in the individual time trial.
"The talent is there to see, he was born to go uphill fast," said Bernal's teammate and now deposed champion Geraint Thomas. "He has got many, many great years in front of him. A very bright future."
Thomas, who was lagging 1m 11s behind overall, should have finished runner-up to give the Ineos team a 1-2 finish in Paris, like they did in 2012 when the squad was called Sky.
Weighing only 59kg, the super-light Bernal thrived in rarefied air, and it was fitting that he delivered his fatal blow in the Col de l'Iseran, the Tour's highest point this year at 2770m.
A cycling star in the making, Bernal took the race lead on Friday when Stage 19 was dramatically cut short by a landslide across the route to the alpine ski station of Tignes and by a violent hailstorm that made road conditions too icy for riders racing on two wheels barely wider than their thumbs. He'd moved away from Julian Alaphilippe, the punchy rider from France who did more than anyone to make this Tour the most exciting in decades and held the race lead for 14 days, on a super-difficult climb to the Iseran. When the race was then stopped with Bernal racing away on the downhill, organisers decided the riders' timings to the top of the Iseran climb would be used to determine the overall standings.
And that put Bernal in yellow.
He wrapped up his victory during Saturday's Stage 20 to Val Thorens, won by 2014 champion Vincenzo Nibali. Shortened to just 59km because of landslide on the route, it featured a 33km climb up to the ski station that was too difficult for Alaphilippe, who cracked after starting the day in second place and allowed Steven Kruijswijk to secure a third-place finish overall.
- AP