Demi Vollering (FDJ-Suez) received the Strade Bianche Girls forward of Anna van der Breggen (SD Worx-Protime), changing into the third girl to win the race twice.
Van der Breggen had attacked into the ultimate gravel sector, Le Tolfe, and was caught by Vollering, Pauline Ferrand-Prévot (Visma-Lease a Bike), and Juliette Labous (FDJ-Suez) on the steep gravel climb.
Vollering then made her transfer excessive, however Van der Breggen jumped onto her wheel instantly. On the run-in to Siena, they labored collectively to extend their benefit to 1:45 minutes on the flamme rouge.
Van der Breggen led the duo onto the Through Santa Caterina climb, however with 500 metres to go, Vollering launched a fierce assault to drop her former teammate and coach and win on the Piazza del Campo.
Ferrand-Prévot was the strongest rider of the chase group, distancing the others on the ultimate kilometre to take third place.
