Ethiopia’s Sisay Lemma wins Boston Marathon in runaway. Kenya’s Hellen Obiri repeats in women’s race [Video]

HOPKINTON, Mass. – Sisay Lemma scorched the first half of the Boston Marathon course on Monday, setting a record pace to build a lead of more than half of a mile.

Then the weather heated up, and the 34-year-old Ethiopian slowed down.

After running alone for most of the morning, Lemma held on down Boylston Street to finish in 2 hours, 6 minutes, 17 seconds — the 10th fastest time in the race’s 128-year history. Lemma dropped to the pavement and rolled onto his back, smiling, after crossing the finish line.

“Until halfway through I was running very hard and very good. But after that it was getting harder and harder,” said Lemma, who failed to finish twice and came in 30th in three previous Boston attempts. “Several times I’ve dropped out of the race before. But today I won, so I’ve redeemed myself.”

Hellen Obiri defended her title, outkicking Sharon Lokedi on Boylston Street to …