Coquard, of the Direct Energie team, led the general classification going into Sunday's finale.
And while he was beaten to the line by Kenny Dehaes, he had done comfortably enough to claim overall victory.
4 Jours de Dunkerque
Chavanel races clear to win in Dunkerque
12/05/2017 AT 15:10
Indeed, Coquard finished first or second on every single stage of the race - an astonishing level of consistency.
4 Jours de Dunkerque
Coquard wins in Dunkerque despite losing final stage
08/05/2016 AT 17:36
4 Jours de Dunkerque
Coquard takes Four Days of Dunkirk despite losing finale in photo finish
08/05/2016 AT 15:02