March for Babies Walk: April 23rd, 2016. Registration begins at 7:30am. At Camden Yards. 333 West Camden St. Lot C. Fee: There is NO entry fee. Mission: The March for Babies promises a fun day with people who share our passion for improving the health of babies and full term pregnancies by reducing premature birth, birth defects, and infant mortality. It is a 4-mile walk in downtown Baltimore to help raise funds and awareness for this worthy cause- it’s a great feeling knowing we’re all helping real families. Join our event and walk with us to raise money and awareness for babies in our community!