Personalized My 1st 26.2 Run Marathon Baby Bib. Cute marathon running Baby Bib - White and Blue outfit says my 1st 26.2 run for girls. Our Baby Bib is rated high in convenience and durability and with a variety of fashionable colors, your baby can be trendy. Mix and match to any outfit. 100% cotton ring spun combed heather colors are cotton-poly. Width 7.75", Length 11.75"