He finished 14 minutes ahead of the first group of chasers, the largest winning margin in the history of the race.
Léon Buysse won the sprint for second place before Jules Van Hevel.
[2] It was the first Tour of Flanders after a five-year hiatus due to the First World War.
As from this edition, the Tour of Flanders has been organized annually, even during the Second World War; the longest uninterrupted streak of any cycling race.
After crossing the line and riding his lap of honour, Van Lerberghe declared to the crowd and, in all sincerity: "Go home; I'm half a day ahead of the pack.