John Korir defends his Boston Marathon title and breaks the course record. Sharon Lokedi also repeats as champion in the women's race.
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Defending champion John Korir breaks Boston Marathon record and Sharon Lokedi also repeats - Boston News, Weather, Sports | WHDH 7News
John Korir (Defending) Men's champion
Sharon Lokedi (Repeating) Women's champion
Multiple Runners Record breakers
Alphonce Felix Simbu (Tanzania) Notable finisher
2 record holders
3+ runners breaking previous record