Medical assistance is available throughout the entire event. Medical staff will be on-site for those who may need assistance throughout the event in various areas including the concourse level, stairwells and at the finish line in 360 CHICAGO. They are easily identified by their red shirts with white print. An ambulance with paramedic staff will also be on site. Any volunteer can assist you with accessing medical personnel. If you must exit the stairwell in case of an emergency or you are unable to complete the climb, please seek security, volunteer or medical staff for assistance to be properly escorted. Do not exit any floor without 875 N. Michigan security personnel!