BOSTON (AP) – Defending Boston Marathon champions Robert Cheruiyot and Dire Tune both spent time in the hospital after Monday’s race.

Cheruiyot, of Kenya, was going for his fifth Boston win. He dropped out because of back problems with about 10 miles to go. He was checked out at a hospital and released.

Tune lost a last-minute sprint and finished one second behind women’s winner Salina Kosgei. Tune took another two steps after crossing the finish line before falling to the ground unconscious.

She lay there for several minutes before being taken to a hospital as a precaution. Her agent said the problem was due in part to dehydration combined with the cool weather and the fact that she trained for a shorter race.

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