Virginia Tacci

Virginia Tacci (1566 or 1567 – d. "after" 1581), was an Italian equestrian.
She is known as the first woman to participate in a famous horse race in Siena in 1581, which was the predecessor of the Palio di Siena. She came to be regarded as a role model for women in Siena and has been referred to as a pioneer female jockey. 