Boston Marathon April 16, 2023 6:18 pm More Than 100 Golden Retrievers Walk to Honor Official Boston Marathon Dog ‘Spencer' Over 100 golden retrievers and their owners were walking a mile Sunday morning in honor of Spencer, the official Boston Marathon dog who died earlier this year. US & World Videos 2:13 What's next for embattled Steward Health Care? 3:03 Forecast: Sun struggles next few days 2:45 Volunteers from Mass. helping with Helene recovery efforts 1:31 Steward Health Care CEO stepping down after Senate scrutiny 1:44 Steward Health CEO to step down