Welshman Thomas was out on a training session on the French Riviera when he interrupted his idyllic ride for a pit stop at a cafe in pretty seaside town Menton, near his Monaco base.
Last year's runner-up trailed home a colossal 35min adrift of the 2020 champion Tadej Pogacar on Saturday as the toll from a heavy fall on stage 3 eventually scuppered his best intentions of a triumph.
Tour de France 2021: Tadej Pogacar stamps authority by dominating time-trial, Mathieu van der Poel flies in yellow
Pogacar's phenomenal ride didn't quite give him the overall lead but it leaves him in the driving seat for the title, 1min 44sec ahead of Carapaz, with Roglic and Thomas four and 10sec further adrift respectively.
Tour de France 2021: Riders stage symbolic protest calling for increased safety after crashes mar opening days of event
Shortly after the start of the 150-kilometre flat run from Redon to Fougeres the entire peloton came to a stop for a brief period, before setting off again at a leisurely pace.
Tour de France 2021: Tim Merlier wins drama-filled stage three as crashes continue to disrupt premier event
Merlier's teammate Mathieu van der Poel kept hold of the overall lead on a brutal day of racing peppered with falls on the rain-slick, narrow winding roads in Brittany
He was trailing the main pack by three minutes when he set off again and fellow Welshman Luke Rowe then dropped back in an attempt to help Thomas reel in the peloton.
Tour de France: Geraint Thomas finishes 41 seconds behind lead at 20th position in thrilling second stage finale
As Tour rookie Mathieu van der Poel scored a memorable triumph in blistering gung-ho style, Thomas was unable to keep up over the final kilometre.
World champion Alaphilippe shot up the early section of the final 3km climb taking ten bonus seconds at the finish line and ended another 12 seconds ahead of his nearest challenger.
Tour of Catalonia: Adam Yates wins tournament; Richie Porte, Geraint Thomas complete podium sweep for Ineos
This trio held on to the first three places despite efforts to dislodge them in the 133-kilometre closing stage around Barcelona, principally by home team Movistar's Alejandro Valverde.
Thomas posted photos of the scans of his shoulder on his Facebook page, with a 'thumbs up' to say he was okay.
Winner of the 2018 Tour de France, Thomas' overall race ambitions were left in tatters after a fall on Monday saw him lose more than 11 minutes at the arrival at Mount Etna in Sicily.
Ganna, an Italian who rides for Ineos Grenadiers, beat Joao Almeida by 22 seconds on the 15.1-kilometer (9.4-mile) downhill time trial in Palermo.
The COVID-19 pandemic has played havoc with sporting events and current French government law limits gatherings to 5,000.
Tour de France: Former champions Chris Froome, Geraint Thomas left out of Team Ineos squad for upcoming edition
Froome has been trying to get back to peak condition after he was involved in a high-speed crash at last year's Criterium du Dauphine which came close to ending his career.
Geraint Thomas hoping Tour de France can go ahead in 2020, says he is in right shape to challenge for second title
The Tour, set to take place between 27 June and 19 July, has yet to be postponed or cancelled but with sporting events all over the world impacted by the coronavirus pandemic its chances of surviving as scheduled appear remote.
Coronavirus pandemic: LaLiga superstars try to stay fit amid lockdown imposed in Spain due to COVID-19
The coronavirus pandemic prompted the suspension of sporting events around the world, and forced athletes to find ways to stay fit. Quarantined countries like Spain were the most affected ones, and LaLiga teams have taken steps to keep players active while stranded at home.
Formula 1: Lewis Hamilton's absence from New Year’s honours list raises fresh debate over Briton's appreciation on home soil
Hamilton this year became the second most successful F1 driver of all time, and is poised to overtake Germany’s seven-times champion and Ferrari great Michael Schumacher in the record books
Road Cycling World Championships 2019: Great Britain's Geraint Thomas pulls out of men's team trial, to focus on team road race
Thomas remains in the six-man Great Britain team for Sunday's 285km road race from Leeds to Harrogate
Dutch newspaper Telegraaf said Dumoulin, ambitious to trade up his second place for overall victory in the 2020 Tour de France, would ride for the Jumbo-Visma team for the next three seasons
Chris Froome sets sights on record-equalling fifth Tour de France crown next year after crashing out of 2019 edition
British cycling great Chris Froome is determined to bid for a record-equalling fifth Tour de France crown next year after the horrific injuries he suffered in a crash ruled him out of this year's edition.