Defending champion John Korir of Kenya shattered the Boston Marathon course record on Monday, riding a tailwind to outrun the strongest field in race history and win in 2 hours, 1 minute, and 52 seconds—the fifth-fastest marathon of all time, per the AP.
- Women: On the women's side, Sharon Lokedi joined her fellow Kenyan as a back-to-back champion, winning in 2:18:51.
- Americans: Zouhair Talbi and Jess McClain ran the fastest times ever for Americans, in the men's and women's races, respectively.