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BOSTON — Defending champion John Korir broke the Boston Marathon course record on Monday, riding a tailwind to outrun the strongest field in event history and win in 2 hours, 1 minute, 52 seconds – the fifth-fastest marathon of all time.
The Kenyan broke away from the pack as it headed into Heartbreak Hill in Newton and opened a 40-second lead, peeking behind him as he went through Kenmore Square with a mile to go.
He beat the 2:03:02 set by Geoffrey Mutai in 2011 by 70 seconds. Kelvin Kiptum holds the marathon world record, with a 2:00:35…
