Itzulia Basque Country (2.UWT) kicked off with a prologue of 7.5 kilometer in Hondarribia along the Cantabrian Sea. Olympian champion Primoz Roglic was the fastest and conquered the first leader’s jersey. The first finisher of Intermarché-Wanty-Gobert Matériaux was Quinten Hermans. The Belgian rider averaged 43.5km/h on the hilly and technical circuit.