Celebrate the history of Boston running tradition with the adidas Women's Boston Marathon 2026 Adizero Split Short. These shorts highlight 130 years of marathon history, with official 2026 Boston Marathon logos in classic Boston colors. These race day shorts have a slim fit that stays close so you can move without distraction, while the perforated fabric keeps things light and airy for breathable coverage. Side slits give you freedom of movement to stretch, lunge and run without inhibition. More than a keepsake piece, these shorts show your dedication and hard work as you gather with 30,000 of your friends on the streets of Boston.