Overview

• The 2025 Boston Marathon, the world's oldest annual marathon, starts today, April 21, on Patriots' Day in Massachusetts.
• Defending champions Sisay Lemma (men's) and Hellen Obiri (women's) return to compete against a deep elite field, including past champions and rising contenders.
• The 26.2-mile course begins in Hopkinton and runs through six communities before finishing on Boylston Street in Boston's Back Bay.
• Staggered wave starts begin at 10:00 a.m. ET for amateur runners, with elite divisions and wheelchair races starting earlier in the morning.
• Live coverage is provided locally on WCVB Channel 5 and nationally on ESPN2, with streaming options available for spectators worldwide.