Without our volunteers, the BankofAmerica Chicago Marathon wouldn’t be possible. 💙 Registration to volunteer at the 2025 #ChicagoMarathon is now open!  From the Abbott Health & Fitness Expo, to race day in Grant Park and on course, we’re looking for motivated and energized individuals to help more than 53,000 participants cross that October 12 finish line. Sign up now to give back to the Chicago running community in a memorable way, link in bio. #ChiMarathonVolunteers