Personalized My 1st 26.2 Run Marathon Adult Sweatshirt. Cute marathon running Adult Sweatshirt - White outfit says my 1st 26.2 run for girls. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.