50 years ago, eight women toed the starting line in Hopkinton. The 1972 Boston Marathon was the first marathon to include women. These adidas Adizero running tights are part of a collection celebrating the event. They have all the elements to keep you fast on race day, from moisture-absorbing AEROREADY to a lightweight feel. They also come with a QR code that unlocks the history. To reduce our reliance on virgin materials, we make sure that our vegan alternatives also contain a minimum of 25% recycled content.